Refactor of dateOfCreation, Addition of edited check in frontend, Endpoint added for engagement on posts

client-solid/src/Util/api.ts

@@ -13,6 +13,7 @@ interface Votes {
 export interface Post extends NewPost {
   id: string;
   createdAt: string;
+  updatedAt: string;
   votes: Votes;
 }
 
@@ -91,6 +92,15 @@ export async function getComments(
   return data;
 }
 
+/** Incomplete */
+export async function engagePost(
+  postId: string
+): Promise<void> {
+  const res = await fetch(`/api/engage_post?post_id=${postId}`);
+  const data = await res.json();
+  return data;
+}
+
 // Send the registration request to the server
 export async function submitRegistration(
   username: string,