feat: implement self-signed certificate support in API and UI

- Added support for self-signed TLS certificates in the ApiService, allowing configuration based on server settings.
- Introduced a toggle in the ServerConnectionPage to enable or disable trusting self-signed certificates.
- Updated localization files to include new strings for self-signed certificate settings in multiple languages.
- Enhanced the OptimizedStorageService to manage trusted servers based on user preferences for self-signed certificates.
- Improved error handling and logging throughout the affected services to ensure clarity and maintainability.

ios/Podfile.lock

@@ -1,4 +1,6 @@
 PODS:
+  - connectivity_plus (0.0.1):
+    - Flutter
   - DKImagePickerController/Core (4.3.9):
     - DKImagePickerController/ImageDataManager
     - DKImagePickerController/Resource
@@ -82,6 +84,7 @@ PODS:
     - FlutterMacOS
 
 DEPENDENCIES:
+  - connectivity_plus (from `.symlinks/plugins/connectivity_plus/ios`)
   - file_picker (from `.symlinks/plugins/file_picker/ios`)
   - Flutter (from `Flutter`)
   - flutter_local_notifications (from `.symlinks/plugins/flutter_local_notifications/ios`)
@@ -110,6 +113,8 @@ SPEC REPOS:
     - SwiftyGif
 
 EXTERNAL SOURCES:
+  connectivity_plus:
+    :path: ".symlinks/plugins/connectivity_plus/ios"
   file_picker:
     :path: ".symlinks/plugins/file_picker/ios"
   Flutter:
@@ -150,6 +155,7 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/webview_flutter_wkwebview/darwin"
 
 SPEC CHECKSUMS:
+  connectivity_plus: cb623214f4e1f6ef8fe7403d580fdad517d2f7dd
   DKImagePickerController: 946cec48c7873164274ecc4624d19e3da4c1ef3c
   DKPhotoGallery: b3834fecb755ee09a593d7c9e389d8b5d6deed60
   file_picker: a0560bc09d61de87f12d246fc47d2119e6ef37be