feat: Setup app lifecycle, job service and basic csv parser

app/main.py

@@ -1,6 +1,21 @@
-def main():
-    print("Hello from alemno-payments!")
+from contextlib import asynccontextmanager
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from app.api.v1.jobs import router as jobs_router
+from app.core.config import settings
+from app.db.base import Base
+from app.db.session import engine
 
 
-if __name__ == "__main__":
-    main()
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    async with engine.begin() as conn:
+        await conn.run_sync(Base.metadata.create_all)
+    yield
+    # Shutdown: Clean up pool
+    await engine.dispose()
+app = FastAPI(
+    title=settings.PROJECT_NAME,
+    openapi_url=f"{settings.API_V1_STR}/openapi.json",
+    lifespan=lifespan,
+)