Feature update

[ethanwu155]

What kind of PR is this?

Select up to one to speed up the review/approval. (Do not lump an addition and removal into a single PR)

• Adding something new to awesome-data-integrity
• Editing something already on awesome-data-integrity
• Removing something already on awesome-data-integrity
• Something else (if so, please explain in "Additional Details" section

Pre-submit checklist

Please confirm ALL of the following before submitting your PR.

• This PR includes only one addition, removal, or edit
• I edited README.md in newly created feature-branch.
• I reviewed the content policy and the Data-Integrity Community Code of Conduct to ensure my entire submission meets the requirements.
• I have followed the CONTRIBUTING.md guidelines.

Additional Details

Is there anything we should know about this PR?
Added new sections (video and book) and added content relating to data integrity.

For new additions: What is your projects current size / reach?
N/A

For new additions: What is your projects potential size / reach?
N/A

For new additions: How does your project relate to data integrity?
N/A

Credit

This pull request template is based on the awesome-ipfs pull request template.