app bar and log details page

mobile-v2/lib/utils/constants/size_constants.dart

@@ -14,6 +14,8 @@ abstract final class SizeConstants {
 abstract final class RatioConstants {
   const RatioConstants._();
 
+  // 0.5
+  static const oneHalf = 1 / 2;
   // 0.3
   static const oneThird = 1 / 3;
   // 0.25

mobile-v2/lib/utils/snackbar_manager.dart

@@ -10,4 +10,9 @@ abstract final class SnackbarManager {
     _s?.clearSnackBars();
     _s?.showSnackBar(SnackBar(content: Text(errorMsg)));
   }
+
+  static void showText({required String content, TextStyle? style}) {
+    _s?.clearSnackBars();
+    _s?.showSnackBar(SnackBar(content: Text(content, style: style)));
+  }
 }