Added Video Capture functionality (In Foreground)

[nathsagar24]

Related Issue

The task was to enable video recording in the foreground

Closes: #33

Describe the changes you've made

1. Created a video_capture.dart file to enable video capture in the foreground using both back and front cameras.

2. Made some changes to the homescreen.dart and routes.dart file to include this new functionality.

   Type of change

What sort of change have you made:

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Code style update (formatting, local variables)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

Mention any unusual behaviour of your code (Write NA if not)

NA

Checklist:

• [x] My code follows the guidelines of this project.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly whereever it was hard to understand.
• [x] My changes generate no new warnings.
• [x] Any dependent changes have been merged and published in downstream modules.

Additional Info (optional)

Any additional information you want to give

[nathsagar24]

Sir, I have made the required changes. Please merge the PR today if possible since I am a CrossWoc participant as well and it is the last day of contributing.