Migrate to electron-settings for database operations

[binary-blazer]

Fixes #1

Migrate database operations from better-sqlite3 to electron-settings in the winclock application.

• src/main/ipcHandlers.ts

  • Replace all database-related functions with electron-settings equivalents.
  • Use settings.get and settings.set for alarms and current tab.
  • Remove imports from src/main/database.ts.

• package.json

  • Remove better-sqlite3 from dependencies.

• release/app/package.json

  • Remove better-sqlite3 from dependencies.
  • Ensure electron-settings is listed in dependencies.

• src/tests/App.test.tsx

  • Update tests to reflect the use of electron-settings instead of better-sqlite3.
  • Add tests for adding, updating, and deleting alarms.
  • Add test for updating the current tab.

• src/main/database.ts

  • Delete the file as it is no longer needed.