feat: update-logo

[Lzyct]

What it does

• update the logo on the launcher and splash screen
• update theme in dark and light mode
• fix the lint warning issue
• add test for light and dark theme

How to test

1. install the app
2. run the maestro script
3. observe the view

Screenshot

Light and dark theme icon launcher change

Simulator.Screen.Recording.-.iPhone.16.Pro.Max.-.2025-01-18.at.00.1.mp4

Light and dark theme icon change

Simulator.Screen.Recording.-.iPhone.16.Pro.Max.-.2025-01-18.at.00.mp4

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Files with missing lines	Coverage Δ
lib/core/widgets/button.dart	100.00% <100.00%> (ø)
lib/core/widgets/drop_down.dart	100.00% <100.00%> (ø)
lib/core/widgets/text_f.dart	85.58% <100.00%> (ø)
lib/features/auth/pages/login/login_page.dart	80.00% <100.00%> (ø)
...ib/features/auth/pages/register/register_page.dart	84.90% <100.00%> (ø)
...features/general/pages/settings/settings_page.dart	100.00% <100.00%> (ø)
...general/pages/splashscreen/splash_screen_page.dart	100.00% <100.00%> (ø)