Update the topics database
add topics in the following page to 
Optimism Town Hall Topics, v1
Optimism Town Hall Topics, v1 OF 25 Topic Proposal
Just make one topic proposal
- I think i should just make one topic proposal: Exploring Optimism Town Hall and Cagendas
- Then i can share more details about these initiatives and future plans
- It would be good to discuss this in more detail and hear more feedback
- This will provide everyone with a chance to hear and engage with the topic after learning about it last week