document DB initialization script

README.md

@@ -36,3 +36,24 @@ npm run build
 You can preview the production build with `npm run preview`.
 
 > To deploy your app, you may need to install an [adapter](https://svelte.dev/docs/kit/adapters) for your target environment.
+
+## Initializing the SQLite DB
+
+A database initialization script `init_db.js` in included in the `src/init` folder. It will create a users database (if not existing) and populate it with a default admin user. Additionally, an empty cases table will be created.
+
+It can be run with `node init_db.js`
+
+Database schema:
+
+Users
+
+- id
+- name
+- pw
+
+Cases
+
+- id
+- token
+- name
+- pw