Add chat icon and readme

readme.md

@@ -0,0 +1,36 @@
+# ![](https://github.com/devlooped/gh-chat/raw/main/assets/img/gh-chat.png) GitHub CLI Chat Extension
+
+An extension to interact with the [GitHub CLI](https://cli.github.com/) using 
+natural language.
+
+## Installation
+
+The [GitHub CLI](https://cli.github.com/) must be installed first. 
+
+Install:
+
+```shell
+gh extension install devlooped/gh-chat
+```
+
+Upgrade:
+
+```shell
+gh extension upgrade chat
+```
+
+Uninstall:
+
+```shell
+gh extension remove chat
+```
+
+The extension uses the [GitHub CLI API](https://cli.github.com/manual/gh_api) to 
+run queries and render them to the console.
+
+
+## Usage
+
+The extension adds a `chat` command to the `gh` CLI, which you can use to 
+interact with the GitHub API using natural language.
+