docs(sunshine): add service (#30)

Author: ReenigneArcher

docs/sunshine/service.md

@@ -0,0 +1,67 @@
+# Service
+
+## Windows
+
+If you installed sunshine through the installer:
+
+Press `WIN+R`, then type `services.msc` and hit `enter`.
+
+Scroll down until you find `SunshineService`.
+ 
+If you found it, make sure it is running and set to start automatically.
+
+If you can't find it, go to `C:\Program Files\Sunshine\scripts` and run `install-service.bat` as admin (right click).
+
+## Linux
+
+Check if the service is running:
+
+```bash
+systemctl status sunshine
+```
+
+If it is not running, start it:
+
+```bash
+systemctl --user start sunshine
+```
+
+If you want to enable it to start on boot, run:
+
+```bash
+systemctl --user enable sunshine
+```
+
+If you want to disable the service, run:
+
+```bash
+systemctl --user disable sunshine
+```
+
+## Homebrew
+If you installed sunshine through Homebrew, you can check the status of the service with:
+
+```bash
+brew services list
+```
+
+If you want to enable it to start on boot, run:
+
+```bash
+brew services start sunshine
+```
+
+If you want to enable it to run on user login, run:
+
+```bash
+brew services run sunshine
+```
+
+If you want to disable the service, run:
+
+```bash
+brew services stop sunshine
+```
+
+For more information see our
+[getting started docs](https://docs.lizardbyte.dev/projects/sunshine/latest/md_docs_2getting__started.html)