Add OBS group management feature and documentation

- Add group_name column to teams table for mapping teams to OBS groups
- Create API endpoints for group creation (/api/createGroup) and bulk sync (/api/syncGroups)
- Update teams UI with group status display and creation buttons
- Implement automatic group assignment when adding streams
- Add comprehensive OBS setup documentation (docs/OBS_SETUP.md)
- Fix team list spacing issue with explicit margins
- Update OBS client with group management functions
- Add database migration script for existing deployments

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

scripts/createSatSummer2025Tables.ts

@@ -60,7 +60,8 @@ const createSatSummer2025Tables = async () => {
     await db.exec(`
       CREATE TABLE IF NOT EXISTS ${teamsTableName} (
         team_id INTEGER PRIMARY KEY,
-        team_name TEXT NOT NULL
+        team_name TEXT NOT NULL,
+        group_name TEXT
       )
     `);