chore: add uninstall instructions

README.md

@@ -37,6 +37,14 @@ Or project-local (committed with your team's `.pi/settings.json`):
 pi install -l git:git.excloud.dev/excloud-in/exc-safety
 ```
 
+## Uninstall
+
+```bash
+pi uninstall git:git.excloud.dev/excloud-in/exc-safety
+```
+
+Add `-l` if installed project-locally. Then run `/reload` in pi.
+
 ## License
 
 MIT — see [LICENSE](./LICENSE).