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

local-runner.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+SCRIPT_PATH=$(dirname "$0")
+
+cd ${SCRIPT_PATH}
+
+if [ -z $1 ]; then
+    echo "Provide a path to project-{name}.yaml file"
+    exit 1
+fi
+
+export PROJECT_PATH=$1
+
+docker rm -f $(docker-compose ps -a -q)
+sudo rm -rf .data/
+sudo rm -rf dist/
+
+# If any command bellow will fail - script will stop
+set -e
+
+yarn
+yarn codegen
+yarn build
+yarn start:docker