chore: initialize monorepo with project scaffolding, configs, and CI setup

apps/wallet-daemon/src/app/deps.py

@@ -0,0 +1,26 @@
+from __future__ import annotations
+
+from functools import lru_cache
+
+from fastapi import Depends
+
+from .keystore.service import KeystoreService
+from .receipts.service import ReceiptVerifierService
+from .settings import Settings, settings
+
+
+@lru_cache
+def get_settings() -> Settings:
+    return settings
+
+
+def get_receipt_service(config: Settings = Depends(get_settings)) -> ReceiptVerifierService:
+    return ReceiptVerifierService(
+        coordinator_url=config.coordinator_base_url,
+        api_key=config.coordinator_api_key,
+    )
+
+
+@lru_cache
+def get_keystore() -> KeystoreService:
+    return KeystoreService()