coding: develop the tech talk section in events page

## Description
As a developer, I need to see all the videos of the talks held by the community regarding open source and anitab-org , so that the user can know more about us and what we do.

## Mocks

the spacing is 16 from both sides

## Acceptance Criteria
### Update [Required]
- [ ] Follows all the design guidelines as mentioned and is responsive enough on large screen devices.
- [ ] the talk should be as mentioned in the doc

## Definition of Done
- [ ] All of the required items are completed.
- [ ] Approval by 2 mentor.

## Estimation
3 hours