removed hardcoded status feedback and submission mode

lib/core/constants/tender_feedback.dart

@@ -0,0 +1,21 @@
+/// Enum for tender feedback
+enum TenderFeedback {
+  liked,
+  disliked,
+  unliked,
+  undisliked;
+
+  /// Convert enum to string value for API
+  String get value {
+    switch (this) {
+      case TenderFeedback.liked:
+        return 'like';
+      case TenderFeedback.disliked:
+        return 'dislike';
+      case TenderFeedback.unliked:
+        return 'unlike';
+      case TenderFeedback.undisliked:
+        return 'undislike';
+    }
+  }
+}