Feature to extract timestamps from youtube videos

[Esparon1]

Description

This PR introduces a new feature to extract timestamps from youtube videos and store them with other metadata elements .
This enhancement aims to provide richer data insights and improve content navigation and usability.

Fixes # (#1244)

Type of change

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

How Has This Been Tested?

Manual testing was conducted to ensure the accuracy and reliability of the timestamp extraction. Tests included videos of various lengths and formats to verify that the timestamps are correctly identified and recorded.

Example of timestamps added to metadata

and this is an example of the transcript format which is generated:

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have checked my code and corrected any misspellings

Maintainer Checklist

• closes #xxxx (Replace xxxx with the GitHub issue number)
• Made sure Checks passed

[deshraj]

Nice, looks good in general.