new api service and logic implemented

ApiLayers/AllApiNeeds/application/__init__.py

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+

ApiLayers/AllApiNeeds/application/app.py

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+"""
+Base FastAPI application configuration.
+"""
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+
+def create_app() -> FastAPI:
+    app = FastAPI(title="API Service")
+
+    # Configure CORS
+    app.add_middleware(
+        CORSMiddleware,
+        allow_origins=["*"],
+        allow_credentials=True,
+        allow_methods=["*"],
+        allow_headers=["*"],
+    )
+
+    return app