fix: add DOM lib to tsconfig for fetch type resolution

DTS build was failing with 'Cannot find name fetch' because
tsconfig only had ES2022 lib. Adding DOM resolves the global
fetch type needed by HashLockConfig.fetch property.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: BarisSozen

tsconfig.json

@@ -3,7 +3,7 @@
     "target": "ES2022",
     "module": "ESNext",
     "moduleResolution": "bundler",
-    "lib": ["ES2022"],
+    "lib": ["ES2022", "DOM"],
     "strict": true,
     "esModuleInterop": true,
     "skipLibCheck": true,