docs: Pre-load dotenv to load db env variables (#186)

Author: benpbolton

README.md

@@ -234,7 +234,7 @@ Install dependencies:
 Run migrations (at least once and after pulling new changes):
 
   ```
-  npm run db:migrate
+  NODE_OPTIONS="-r dotenv/config" npm run db:migrate
   ```
 
 Create .nostr folder inside nostream project folder and copy over the settings file: