docs(ides): document connection via JetBrains Fleet (#13179)

* docs: add docs to connect via JetBrains Fleet

* Create fleet.md

* Update fleet.md

* Create ssh-connect-to-coder.png

* Add files via upload

* `make fmt`

* Update fleet.md

* Update docs/ides/fleet.md

Co-authored-by: Kyle Carberry <kyle@coder.com>

* Update fleet.md

---------

Co-authored-by: Kyle Carberry <kyle@coder.com>

docs/ides.md

@@ -12,6 +12,7 @@ support should work:
   - Rider
   - RubyMine
   - WebStorm
+- [JetBrains Fleet](./ides/fleet.md)
 - Web IDEs (code-server, JupyterLab, JetBrains Projector)
   - Note: These are [configured in the template](./ides/web-ides.md)
 - [Emacs](./ides/emacs-tramp.md)

docs/ides/fleet.md

@@ -0,0 +1,25 @@
+# JetBrains Fleet
+
+JetBrains Fleet is a code editor and lightweight IDE designed to support various
+programming languages and development environments.
+
+[See JetBrains' website to learn about Fleet](https://www.jetbrains.com/fleet/)
+
+Fleet can connect to a Coder workspace by following these steps.
+
+1. [Install Fleet](https://www.jetbrains.com/fleet/download)
+2. Install Coder CLI
+   ```shell
+   curl -L https://coder.com/install.sh | sh
+   ```
+3. Login and configure Coder SSH.
+   ```shell
+   coder login coder.example.com
+   coder config-ssh
+   ```
+4. Connect via SSH with the Host set to `coder.workspace-name`
+   ![Fleet Connect to Coder](../images/fleet/ssh-connect-to-coder.png)
+
+> If you experience problems, please
+> [create a GitHub issue](https://github.com/coder/coder/issues) or share in
+> [our Discord channel](https://discord.gg/coder).