feat: add shake detection functionality (#36)

* feat: add shake detection functionality and integrate vibration support

* feat: add shake detector settings page

lib/shared/extensions/duration_format.dart

@@ -16,6 +16,16 @@ extension DurationFormat on Duration {
       return '${seconds}s';
     }
   }
+
+  String get smartSingleFormat {
+    if (inHours > 0) {
+      return '${inHours}h';
+    } else if (inMinutes > 0) {
+      return '${inMinutes}m';
+    } else {
+      return '${inSeconds}s';
+    }
+  }
 }
 
 extension OnlyTime on DateTime {

lib/shared/extensions/enum.dart

@@ -0,0 +1,25 @@
+extension TitleCase on Enum {
+  String get properName {
+    final name = toString().split('.').last;
+    return name[0].toUpperCase() + name.substring(1);
+  }
+
+  String get titleCase {
+    return name
+        .replaceAllMapped(RegExp(r'([A-Z])'), (match) => ' ${match.group(0)}')
+        .trim();
+  }
+
+  String get pascalCase {
+    // capitalize the first letter of each word
+    return name
+        .replaceAllMapped(
+          RegExp(r'([A-Z])'),
+          (match) => ' ${match.group(0)}',
+        )
+        .trim()
+        .split(' ')
+        .map((word) => word[0].toUpperCase() + word.substring(1))
+        .join(' ');
+  }
+}