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/python_scripts/generate_network_status.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+
+import os
+
+from jinja2 import Template
+
+from table_representation import ProjectTableGenerator
+from subquery_api import SubQueryDeploymentAPI
+from telegram_notifications import TelegramNotifications
+
+token = os.getenv("SUBQUERY_TOKEN")
+organisation = "nova-wallet"
+nova_network_list = "https://raw.githubusercontent.com/nova-wallet/nova-utils/master/chains/v11/chains_dev.json"
+
+readme = Template("""
+Projects' status is updated every 4 hours
+
+SubQuery API data sources are grouped based on the following features:
+
+📚 Operation History -  Transfers and Extrinsics for Utility (main) token of the network <br />
+✨ Multi-asset transfers - Support for transfer history for tokens from ORML and Assets pallets <br />
+🥞 Staking rewards - Rewards history and accumulated total rewards, supports both Staking and ParachainStaking pallets <br />
+📈 Staking analytics - Queries for current stake, validators statistics, and stake change history
+
+# List of deployed projects
+
+{{dapps_table}}
+""")
+
+
+def generate_project_table():
+    sub_query = SubQueryDeploymentAPI(auth_token=token, org=organisation)
+    sub_query.collect_all_project_data()
+
+    table_generator = ProjectTableGenerator(sub_query, nova_network_list)
+    table = table_generator.generate_table()
+
+    return table
+
+
+if __name__ == '__main__':
+
+    dir_name = 'gh-pages-temp'
+    
+    telegram = TelegramNotifications()
+    try:
+        os.makedirs(dir_name)
+        print("Directory ", dir_name,  " Created ")
+    except FileExistsError:
+        print("Directory ", dir_name,  " already exists")
+
+    with open("./gh-pages-temp/README.md", "w") as f:
+        f.write(readme.render(
+            dapps_table=generate_project_table()
+        ))
+
+    # TODO: Temp remove, waiting for https://app.clickup.com/t/862kc4b47
+    # telegram.send_notification()