docs: Explain development setup

Signed-off-by: provokateurin <[email protected]>

README.md

@@ -2,3 +2,22 @@
 
 ## Installation
 See [the nextcloud admin docs](https://docs.nextcloud.com/server/latest/admin_manual/ai/index.html)
+
+## Development setup
+
+First register a daemon with the `Manual install` template (make sure to set the correct hostname).
+
+```sh
+make download-models
+
+python -m venv venv
+source venv/bin/activate
+
+pip install -r requirements.txt
+
+APP_ID=llm2 APP_PORT=9081 APP_VERSION=1.0.0 APP_SECRET=12345 NEXTCLOUD_URL=http://localhost:8080 python lib/main.py
+
+# Switch to your server installation
+./occ app_api:app:unregister llm2
+./occ app_api:app:register llm2 manual_install --force-scopes --json-info '{"id":"llm2","name":"Local large language model","daemon_config_name":"manual_install","version":"1.0.0","secret":"12345","port":9081,"scopes":["AI_PROVIDERS", "TASK_PROCESSING"],"system":0}'
+```