WIP: initial fastapi endpoint implementation

Client endpoint - GET & POST implemented

backend/app/core/config.py

@@ -0,0 +1,22 @@
+from pydantic import (
+    MySQLDsn
+)
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    """
+    """
+    database_uri: MySQLDsn
+    environment: str
+    project_name: str
+
+    model_config = SettingsConfigDict(
+        # One level above ./backend
+        env_file='../.env',
+        env_ignore_empty=True,
+        extra='ignore'
+    )
+    api_v1_str: str = "/api/v1"
+
+settings = Settings() # type: ignore