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

scripts/prepare_folders.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+SCRIPT_PATH=$(dirname "$0")
+MAIN_DIRECTORY=${SCRIPT_PATH%/*}
+
+folders=($(ls ${MAIN_DIRECTORY}/networks))
+
+for item in ${folders[*]}
+do
+  printf "   %s\n" $item
+  scp -r ${MAIN_DIRECTORY}/src ${MAIN_DIRECTORY}/networks/$item
+  scp ${MAIN_DIRECTORY}/tsconfig.json ${MAIN_DIRECTORY}/networks/$item
+  scp ${MAIN_DIRECTORY}/schema.graphql ${MAIN_DIRECTORY}/networks/$item
+  scp ${MAIN_DIRECTORY}/local-runner.sh ${MAIN_DIRECTORY}/networks/$item
+  scp ${MAIN_DIRECTORY}/docker-compose.yml ${MAIN_DIRECTORY}/networks/$item
+done
+
+printf "Done !"