USER STORY: Like a Post

[Pierreslag]

As a site member I want to like a post so that I can show my appreciation for the content.

Acceptance Criteria:

1. Site members should have the ability to "like" a post on the website.
2. Each post should display the number of likes it has received from site members.
3. A site member can like a post only once.

Tasks:

• [x] Implement a "like" feature that allows site members to like a post.
• [x] Update the frontend to display the number of likes for each post.
• [x] Implement the necessary logic to prevent a site member from liking a post multiple times.