updated TA info

This PR updates office hour schedule and section.

website to-dos:

• enter OO location for 2:30-3:30. This is not visible to Me on my UW.
• Dhruv to enter his info.
• Visual check to ensure tables, etc. are rendered correctly.

logistics to-dos

• book a room for OO.

requested review from @jessejm

added 3 commits

• 3897b735...9b03f713 - 2 commits from branch UACCESS-23fa
• ba6d330a - Merge branch 'UACCESS-23fa' into 'vpotluri/ta-info'

Compare with previous version

mentioned in commit 8c143043

merged