Use Latest Stable WAVS version, Improve DevEx

[JakeHartnell]

Summary

• WAVS version bump: wavs:1.4.1 → wavs:1.5.1 across Taskfile.yml, taskfile/config.yml, and wavs.toml; fixes ws_endpoint → ws_endpoints array format and adds explicit port = 8041 / port = 8040 to [wavs] and
  [aggregator] config sections
• TypeScript deploy pipeline (deploy/): replaces all script/*.sh bash deploy scripts with typed TypeScript equivalents (deploy-script.ts, deploy-contracts.ts, build-service.ts, upload-components.ts, upload-service.ts,
  create-deployer.ts, create-operator.ts, create-aggregator.ts) using tsx, viem, chalk, and commander; parallel component uploads via Promise.allSettled
• Remote taskfiles: taskfile/docker.yml, taskfile/operator.yml, and taskfile/wasi.yml replaced with remote includes from wavs-taskfiles repo; adds .taskrc.yml to enable remote taskfile fetching
• pnpm: replaces npm/yarn with pnpm; adds preinstall enforcement, packageManager field, and pnpm-lock.yaml; removes package-lock.json
• Aggregator component (components/aggregator/): adds the standard WAVS aggregator Rust component (ported from trust-graph) with Etherscan gas oracle support and on-chain tx validation
• Updated port defaults: WAVS_ENDPOINT 8000 → 8041, AGGREGATOR_URL 8001 → 8040
• Simplified .env.example: consolidates LOCAL_ETHEREUM_RPC_URL / TESTNET_RPC_URL into a single RPC_URL variable used by both taskfiles and TypeScript scripts
• config/components.json schema update: adopts structured trigger.event / submit.contract_json_path / config.values format matching trust-graph; uses ${getEnv(...)} substitution instead of raw env vars
• Docs: rewrites README.md as a concise numbered-steps guide; extracts system requirements into README_SETUP.md (mirroring trust-graph's pattern)

Test plan

• task -y setup — installs pnpm deps and forge submodules without task name conflicts
• WASI_BUILD_DIR=components/evm-price-oracle task -y build:wasi — builds price oracle component
• WASI_BUILD_DIR=components/aggregator task -y build:wasi — builds aggregator component
• INPUT_DATA="1" COMPONENT_FILENAME=evm_price_oracle.wasm task wasi:exec — executes component locally
• task -y start-all-local — starts anvil, IPFS, and WARG registry
• task deploy-full — full end-to-end deployment completes successfully on local

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