feat: add settings page for user display name and implement local storage hook

feat: create SocketContext for managing socket connections

feat: implement useLocalStorage hook for persistent state management

feat: set up SQLite database with room management functions

feat: add utility functions for generating room IDs and formatting dates

.gitignore

@@ -30,6 +30,14 @@ yarn-debug.log*
 yarn-error.log*
 .pnpm-debug.log*
 
+# editor / local tooling
+.vscode/
+
+# local database artifacts
+*.db
+*.db-shm
+*.db-wal
+
 # env files (can opt-in for committing if needed)
 .env*