feat(alpha): Add DAO management app with Zoon contract integration

[bobbythelobster]

Summary

Adds full /alpha DAO management application with SolidJS + Vinxi frontend and Zoon smart contract integration.

Features

🎨 Frontend (SolidJS + Vinxi)

• Onboarding Wizard: 4-step flow (DAO info, founders, governance params, review/deploy)
• Dashboard: Task management with tabs (tasks, proposals, outcomes)
• Explorer: Search, sort, and browse DAOs

🔗 Contract Integration (viem)

• Zoon contract ABI and configuration
• Task contract ABI for voting/outcomes
• ZeitToken SBT integration
• Wallet connection store with balance tracking

🧪 Testing

• 9 integration tests in ZoonIntegration.t.sol (all passing)
• Contracts deployed to local anvil for testing

Contract Addresses (anvil)

• Zoon: 0x5b73c5498c1e3b4dba84de0f1833c4a029d90519
• ZeitToken: 0xc7f2cf4845c6db0e1a1e91ed41bcd0fcc1b0e141
• Bridge: 0xdae97900d4b184c5d2012dcdb658c008966466dd

TODO (follow-up PRs)

• Load real tasks from blockchain (currently mock data)
• Wire voting functionality (Task.vote(), Task.submitOutcome())
• Wire task resolution (Zoon.resolveTask())
• Join network flow for founders
• Deploy new Zoon instances per DAO

Testing Instructions

# Start local anvil
cd zoon && anvil

# Run integration tests
forge test

# Start dev server
npm run dev
# Visit http://localhost:3000/alpha