Initial commit: Pezkuwi SubQuery indexer

- pezkuwi.yaml: Relay chain staking indexer (rewards, slashes, pools, transfers, era info)
- pezkuwi-assethub.yaml: Asset Hub indexer (NominationPools, asset transfers)
- GraphQL schema for staking data entities
- Handler mappings from Nova SubQuery base

tsconfig.json

@@ -0,0 +1,23 @@
+{
+  "compilerOptions": {
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "esModuleInterop": true,
+    "declaration": true,
+    "importHelpers": true,
+    "resolveJsonModule": true,
+    "module": "commonjs",
+    "outDir": "dist",
+    "rootDir": ".",
+    "target": "es2020",
+    "skipLibCheck": true,
+    "strictNullChecks": false,
+    "strict": true
+  },
+  "include": [
+    "src/**/*",
+    "node_modules/@subql/types-core/dist/global.d.ts",
+    "node_modules/@subql/types/dist/global.d.ts",
+    "chainTypes/**/*"
+  ]
+}