Extension - Blockchain Helper

Context: General blockchain development extension with NEAR snippets, gas estimation, and docs. Every blockchain developer who installs it learns about NEAR.

Deliverables:

1. VS Code extension blockchain-helper:
   • Code snippets for NEAR (and others, NEAR featured)
   • Inline gas estimation
   • Quick docs lookup
   • Chain comparison panel
2. NEAR prominently featured in:
   • Default snippets
   • Recommendations
   • Getting started guide
3. PUBLISHED TO:
   • VS Code Marketplace
   • "blockchain" "web3" "smart contract" search optimization
   • Tutorial video

Success Metric: 200+ installs