chore: add session recording section on flutter docs (#8066)

contents/docs/integrate/_snippets/install-android.mdx

@@ -3,7 +3,7 @@ The best way to install the PostHog Android library is with a build system like
 
 All you need to do is add the `posthog-android` module to your App's `build.gradle` or `build.gradle.kts`:
 
-```gradle_kotlin
+```gradle_kotlin file=app/build.gradle
 dependencies {
   implementation("com.posthog:posthog-android:3.+")
 }

contents/docs/integrate/_snippets/install-flutter.mdx

@@ -50,19 +50,11 @@ You'll also need to update the minimum Android SDK version to `21` in `android/a
 // rest of your config
 ```
 
-You may also need to ensure you're running on the latest Kotlin version. To do this, go to the [Kotlin website](https://kotlinlang.org/docs/releases.html#release-details) to find the latest version number. Then set this version number in the `build.gradle` in the root of your `android` directory (and not the `build.gradle` located in `android/app`):
-
-```gradle_kotlin file=android/build.gradle
-buildscript {
-    ext.kotlin_version = '1.9.22' // use the latest Kotlin version number here
-    // rest of config
-```
-
 #### iOS setup
 
 For iOS, you'll need to have [Cocoapods](https://guides.cocoapods.org/using/getting-started.html) installed. Then add your PostHog configuration to the `Info.plist` file located in the `ios/Runner` directory:
 
-```xml ios/Runner/Info.plist
+```xml file=ios/Runner/Info.plist
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
@@ -82,7 +74,7 @@ For iOS, you'll need to have [Cocoapods](https://guides.cocoapods.org/using/gett
 
 Then you need to set the minimum platform version to iOS 13.0 in your Podfile:
 
-```yaml ios/Podfile
+```yaml file=ios/Podfile
 platform :ios, '13.0'
 
 # rest of your config

contents/docs/integrate/_snippets/install-java.mdx

@@ -6,7 +6,7 @@ Look up the latest version in [com.posthog.java](https://search.maven.org/artifa
 
 All you need to do is add the `posthog` module to your `build.gradle`:
 
-```gradle_kotlin
+```gradle_kotlin file=build.gradle
 dependencies {
   implementation 'com.posthog.java:posthog:1.+'
 }

contents/docs/libraries/flutter/index.mdx

@@ -28,8 +28,6 @@ import FlutterInstall from '../../integrate/_snippets/install-flutter.mdx'
 
 ## Usage
 
-To use this, add `posthog_flutter` as a [dependency in your pubspec.yaml file](https://pub.dev/packages/posthog_flutter/install).
-
 ### Example
 
 ```dart
@@ -118,6 +116,12 @@ import FlutterFeatureFlagsCode from '../../integrate/feature-flags-code/_snippet
 
 <FlutterFeatureFlagsCode />
 
+## Session replay
+
+> **Note: ** Session replay is only supported on the [Flutter Web](https://flutter.dev/multi-platform/web) environment.
+
+To set up [session replay](/docs/session-replay) in your project, all you need to do is install the Flutter SDK and enable "Record user sessions" in [your project settings](https://us.posthog.com/settings/project-replay).
+
 ## Issues
 
 Please file any issues, bugs, or feature requests in our [GitHub repository](https://github.com/posthog/posthog-flutter/issues/new).

contents/tutorials/android-ab-tests.md

@@ -116,7 +116,7 @@ Our basic set up is now complete. Build and run your app to test that it's worki
 First, add the [PostHog Android SDK](/docs/libraries/android) as a dependency in your `Gradle Scripts/build.gradle.kts (Module: app)` file. You can find the latest version on our [GitHub](https://github.com/PostHog/posthog-android/blob/main/CHANGELOG.md). For this tutorial, we use version `3.1.7`.
 
 
-```gradle_kotlin
+```gradle_kotlin file=app/build.gradle
 dependencies {
     implementation("com.posthog:posthog-android:3.+")
     //... other dependencies

contents/tutorials/android-analytics.md

@@ -205,7 +205,7 @@ Our basic set up is now complete. Build and run your app to see it in action.
 First, add the [PostHog Android SDK](/docs/libraries/android) as a dependency in your `Gradle Scripts/build.gradle.kts (Module: app)` file. You can find the latest version on our [GitHub](https://github.com/PostHog/posthog-android/). For this tutorial, we use version `3.1.7`.
 
 
-```gradle_kotlin
+```gradle_kotlin file=app/build.gradle
 dependencies {
     implementation("com.posthog:posthog-android:3.+")
     //... other dependencies

contents/tutorials/android-feature-flags.md

@@ -119,7 +119,7 @@ Our basic set up is now complete. Build and run your app to see it in action.
 First, add the [PostHog Android SDK](/docs/libraries/android) as a dependency in your `Gradle Scripts/build.gradle.kts (Module: app)` file. You can find the latest version on our [GitHub](https://github.com/PostHog/posthog-android/blob/main/CHANGELOG.md). For this tutorial, we use version `3.1.7`.
 
 
-```gradle_kotlin
+```gradle_kotlin file=app/build.gradle
 dependencies {
     implementation("com.posthog:posthog-android:3.+")
     //... other dependencies

contents/tutorials/flutter-ab-tests.md

@@ -154,7 +154,7 @@ You'll also need to update the minimum Android SDK version to `21` in `android/a
 
 For iOS, you'll need to have [Cocoapods](https://guides.cocoapods.org/using/getting-started.html) installed. Then add your PostHog configuration with your project API key and instance address to the `Info.plist` file located in the `ios/Runner` directory:
 
-```xml ios/Runner/Info.plist
+```xml file=ios/Runner/Info.plist
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
@@ -174,7 +174,7 @@ For iOS, you'll need to have [Cocoapods](https://guides.cocoapods.org/using/gett
 
 Then you need to set the minimum platform version to iOS 13.0 in your Podfile:
 
-```yaml ios/Podfile
+```yaml file=ios/Podfile
 platform :ios, '13.0'
 
 # rest of your config

contents/tutorials/flutter-analytics.md

@@ -268,7 +268,7 @@ You'll also need to update the minimum Android SDK version to `21` in `android/a
 
 For iOS, you'll need to have [Cocoapods](https://guides.cocoapods.org/using/getting-started.html) installed. Then add your PostHog configuration with your project API key and instance address to the `Info.plist` file located in the `ios/Runner` directory:
 
-```xml ios/Runner/Info.plist
+```xml file=ios/Runner/Info.plist
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
@@ -288,7 +288,7 @@ For iOS, you'll need to have [Cocoapods](https://guides.cocoapods.org/using/gett
 
 Then you need to set the minimum platform version to iOS 13.0 in your Podfile:
 
-```yaml ios/Podfile
+```yaml file=ios/Podfile
 platform :ios, '13.0'
 
 # rest of your config

contents/tutorials/flutter-feature-flags.md

@@ -148,7 +148,7 @@ You'll also need to update the minimum Android SDK version to `21` in `android/a
 
 For iOS, you need to have [Cocoapods](https://guides.cocoapods.org/using/getting-started.html) installed. Then add your PostHog configuration to the `Info.plist` file located in the `ios/Runner` directory:
 
-```xml ios/Runner/Info.plist
+```xml file=ios/Runner/Info.plist
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
@@ -168,7 +168,7 @@ For iOS, you need to have [Cocoapods](https://guides.cocoapods.org/using/getting
 
 Then you need to set the minimum platform version to iOS 13.0 in your Podfile:
 
-```yaml ios/Podfile
+```yaml file=ios/Podfile
 platform :ios, '13.0'
 
 # rest of your config