Action - Deploy to NEAR

Context: GitHub Actions marketplace is browsed by thousands of developers. A "deploy to NEAR" action makes NEAR deployment trivial and gets NEAR in front of every developer browsing deployment actions.

Deliverables:

1. GitHub Action deploy-to-near:

   - uses: near/deploy-action@v1
     with:
       contract: ./build/contract.wasm
       network: mainnet
       account: myapp.near
   

2. Features: Multiple networks, account creation, verification
3. README with comparison: "Deploy for $0.02 vs $50 on Ethereum"
4. PUBLISHED TO:
   • GitHub Marketplace as verified action
   • Optimized for "deploy" "blockchain" "smart contract" searches
   • NEAR docs: "Deploy with GitHub Actions"

Success Metric: 50+ repos using action