Improve example app UI (#193)

* Improve example app ui

* Store favorite services in local storage

* Use Text instead of SelectableText

* Improve colors

* Fix flutter analyzer issues

* Revert example app minimum sdk requirement

* Implement hasPermission api and improve ui flow

* More ui improvements

* Improve ScannedItem ui

* Improve control ui

* Change color theme to blue

* Minor improvements wip

* improve responsive ui and flow

* More improvements

* More improvements

* Update Mac podfile

* Fix home page scroll view

* Update app and package name

* Revert changelog

* Resolve Ai comments

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Co-authored-by: Foti Dim <foti@navideck.com>

example/windows/runner/main.cpp

@@ -27,7 +27,7 @@ int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
   FlutterWindow window(project);
   Win32Window::Point origin(10, 10);
   Win32Window::Size size(1280, 720);
-  if (!window.Create(L"universal_ble_example", origin, size)) {
+  if (!window.Create(L"Universal BLE", origin, size)) {
     return EXIT_FAILURE;
   }
   window.SetQuitOnClose(true);