refactor and set up authentication

app/main.py

@@ -0,0 +1,16 @@
+from fastapi import FastAPI
+from app.routers import admin, user
+
+app = FastAPI()
+
+app.include_router(admin.router)
+app.include_router(user.router)
+
+
+@app.get("/")
+def root():
+    return {"message": "Hello World"}
+
+
+# 1PMy17eraogNUz436w3aZKxyij39G1didaN02Ka_-45Q
+# 71046222