enableExtension method

Implementation

void enableExtension() {
  if (!_didInstallExtension) {
    final entrypoint = Native.addressOf<NativeFunction<ExtensionEntrypoint>>(
        sqlite3_powersync_init);

    sqlite3.ensureExtensionLoaded(SqliteExtension(entrypoint.cast()));

    _didInstallExtension = true;
  }
}