Add the search through post

[jakazzy]

Task Description

As part of the dashboard menu, we have a search functionality to search through all post.
Lets add a UI enhancement so that as a user types through the list of posts, there will be some drop down suggestions for them
to choose from.

Describe the task to be completed.

Technical Considerations

We may likely need a debounce when the search for a query is being made. Kindly view more on it here.

Lets add test for the component using the React Testing library