Loom videos for different parts of builder journey

[orishim]

Post walkthrough videos as pinned messages in the relevant discord channels:

• activation (metamask/xdai, submitting proposal)
• onboarding (ops repo/DSPs, budgeting sheet, alchemy, discord structure, google calendar)
• execution & coordination (how to effectively execute and coordinate on projects)
• recruiting (#talent-pipeline)
• sourcing (#project-funnel)