USER STORY US 15: Add or Remove Likes on a Post

[RoshnaVakkeel]

As a signed-in site user I can add like to the lab log posts I liked so that I can guide other users to select simple experiments that may be more interesting

Acceptance Criteria

Acceptance Criteria 1:
Given that a signed-in site user
When visits the log post of their liking
Then they have the option to add or remove like by selecting the Like button on the post along with the number of likes the post received

Acceptance Criteria 2:
Given that site user who is not registered
When they visit the homepage or lab log posts
Then they can see the total number of likes a lab log post post received

[RoshnaVakkeel]

Done!