feat: Initialize FastAPI AI Gateway project structure with authentication, module management, and LLM API routing.

app/core/config.py

@@ -0,0 +1,18 @@
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+
+class Settings:
+    PROJECT_NAME: str = "Storyline AI Gateway"
+    API_KEY: str = os.getenv("API_KEY", "storyline-secret-key-123")
+    RATE_LIMIT: str = "20/minute"
+    GOOGLE_API_KEY: str = os.getenv("GOOGLE_API_KEY")
+    OPENAI_API_KEY: str = os.getenv("OPENAI_API_KEY")
+    DATABASE_URL: str = os.getenv("DATABASE_URL")
+    SECRET_KEY: str = os.getenv("SECRET_KEY", "your-super-secret-key-change-me")
+    ALGORITHM: str = "HS256"
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 60
+    ADMIN_PASSWORD: str = os.getenv("ADMIN_PASSWORD", "admin123")
+
+settings = Settings()