chore(dependencies): add webview_flutter_platform_interface package to pubspec.yaml and clean up test files by removing unnecessary whitespace

test/core/routing/auth_routes_test.dart

@@ -28,3 +28,7 @@ void main() {
 }
 
 
+
+
+
+

test/core/routing/content_routes_test.dart

@@ -31,3 +31,7 @@ void main() {
 }
 
 
+
+
+
+

test/core/routing/main_navigation_routes_test.dart

@@ -18,3 +18,7 @@ void main() {
 }
 
 
+
+
+
+

test/core/routing/other_routes_test.dart

@@ -22,3 +22,7 @@ void main() {
 }
 
 
+
+
+
+

test/core/routing/route_constants_test.dart

@@ -101,3 +101,7 @@ void main() {
   });
 }
 
+
+
+
+

test/core/routing/settings_routes_test.dart

@@ -25,3 +25,7 @@ void main() {
 }
 
 
+
+
+
+