Implement complete auth UI and integrate Focus feature set (#27)

* feat(core): add auth layout template, custom textfield and colors

* feat(auth): implement viewmodels for auth flow (MVVM)

* feat(auth): build complete auth UI screens (Login, Register, OTP, Passwords)

* chore(main): set LoginView as initial route

* refactor(auth) : delete .gitkeep

* chore: update dependencies and pubspec.lock

* refactor(auth): optimize registration logic, timezone handling, and form validation

* feat(auth): update UI for login, registration, and forgot password screens

* feat(tasks): update task management UI and statistics screen

* chore: update main entry point and fix widget tests

* chore: ignore devtools_options.yaml

* chore: ignore devtools_options.yaml

* style(login) : rewrite title for login view

* feat(auth): configure android deep link for supabase oauth

* refactor(ui): add social login callbacks to auth layout template

* feat(auth): update oauth methods with redirect url and signout

* feat(auth): implement AuthGate using StreamBuilder for session tracking

* feat(viewmodel): add oauth logic and improve provider lifecycle

* refactor(ui): migrate LoginView to Provider pattern

* chore(main): set AuthGate as initial route and setup provider

* feat: implement full Focus feature set

- Added Pomodoro timer with Start/Reset/Skip logic.
- Integrated local Quick Notes with Pin/Delete functionality.
- Supported image attachments in notes using image_picker.
- Added Focus settings: time duration, vibration, and ringtones.

* fix (auth) : dispose TextEditingControllers to prevent memory leaks

* refactor (alarm ) : create off alarm button  when time out

* fix: apply CodeRabbit auto-fixes

Fixed 3 file(s) based on 4 unresolved review comments.

Co-authored-by: CodeRabbit <[email protected]>

---------

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: CodeRabbit <[email protected]>

Author: 3 people

src/android/app/src/main/AndroidManifest.xml

@@ -33,7 +33,6 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
-        <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
         <meta-data
             android:name="flutterEmbedding"