Content: Expand to ~50 recipes

[PetarStoev02]

Parent

Part of w3-kit/cli#4 (Phase 5: Scale + Community)

Goal

Expand recipe library from current ~20 to ~50 recipes.

Areas to cover

• Advanced DeFi (flash loans, yield farming, MEV protection)
• Cross-chain (bridging, multi-chain reads)
• Security (contract verification, audit patterns)
• Infrastructure (indexing, caching, RPC management)
• Identity (ENS/SNS advanced, DID)

Requirements

• Each recipe has EVM and Solana variants where applicable
• Each recipe includes meta.json for CLI dependency detection
• Each recipe includes .learn.md