Create patch-voting-class

src/app/models/messages/patch-voting.ts

+export class PatchVoting {
+  type: string;
+  payload: {
+    userId: string;
+    commentId: string;
+    vote: number;
+  };
+
+  constructor(userId: string, commentId: string, vote: number) {
+    this.type = 'PatchComment';
+    this.payload = {
+      userId: userId,
+      commentId: commentId,
+      vote: vote
+    };
+  }
+}