[ UI ] : Create Speakers Screen

[DeroMuli]

Description

Created the Speakers Screen by creating SpeakerCard and SpeakersScreen components.

Type of change

• [x] New feature (non-breaking change which adds functionality)

How Has This Been Tested?

The changes were tested using storybook.

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] My changes generate no new warnings

[DeroMuli]

I would appreciate it if you could review my PR @brianwachira @makunomark

[brianwachira]

I would appreciate it if you could review my PR @brianwachira @makunomark

Lemme go through it

[DeroMuli]

There are some changes I haven't pushed yet that add the navigation prop to the SpeeakersScreen and adds a story for the component @makunomark