Add installation instructions for Auth (#3605)

docs/docs/.vitepress/sidebar.ts

@@ -173,6 +173,7 @@ export const sidebar = [
                 collapsed: true,
                 items: [
                     { text: "General", link: "/auth/faq/" },
+                    { text: "Installation", link: "/auth/faq/installing" },
                     {
                         text: "Enteception",
                         link: "/auth/faq/enteception/",

docs/docs/auth/faq/installing.md

@@ -0,0 +1,90 @@
+---
+title: Installing Ente Auth
+description: Steps to install Ente Auth
+---
+
+# Android
+
+Our Android apps are distributed over the following channels.
+
+### PlayStore
+
+You can install Auth directly from
+[PlayStore](https://play.google.com/store/apps/details?id=io.ente.auth).
+
+### F-Droid
+
+Reproducible builds for Auth are available on
+[F-Droid](https://f-droid.org/packages/io.ente.auth/).
+
+
+> [!NOTE]
+>
+> Releases over F-Droid are generally slower since they run their own build
+> servers. You can donate to F-Droid [here](https://f-droid.org/en/donate).
+
+### GitHub
+
+Latest releases are built straight from the source and made available over
+[GitHub](https://github.com/ente-io/ente/releases?q=tag%3Aauth-v4).
+
+These builds will notify you whenever a new release is available and will help
+you stay updated.
+
+### Obtanium
+
+You can setup [Obtanium](https://github.com/ImranR98/Obtainium) to track our
+GitHub releases by following these steps.
+
+1. Click **Add App** to open a new app config screen
+2. Enter `https://github.com/ente-io/ente` in the **App Source URL** field
+3. Enable the **Retain release order** from API toggle
+4. Scroll down to the **Filter APKs by Regular Expression** field and enter `ente-auth*`
+5. Enable the **Attempt to filter APKs by CPU architecture** if possible toggle
+6. Select any applicable app category labels you may have setup
+7. Enable the **Try inferring app ID from source code** toggle
+8. Scroll back to the top and click **Add** to complete the setup
+
+
+<br/>
+
+---
+
+<br/>
+
+# iOS
+
+You can install Ente Auth on Apple devices from
+[AppStore](https://apps.apple.com/us/app/ente-auth/id6444121398).
+
+<br/>
+
+---
+
+<br/>
+
+# Desktop
+
+You can grab the latest version of Ente Auth for Mac, Windows and Linux from
+[GitHub](https://github.com/ente-io/ente/releases?q=tag%3Aauth-v4).
+
+<br/>
+
+---
+
+<br/>
+
+# Web
+
+Latest versions of our web app are available at [auth.ente.io](https://auth.ente.io).
+
+<br/>
+
+---
+
+<br/>
+
+# CLI
+
+Ente's CLI is distributed directly over
+[GitHub](https://github.com/ente-io/ente/releases?q=tag%3Acli-v0).