fix cors

main.py

@@ -1,11 +1,13 @@
 from collections import defaultdict
 
 from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
 from typing import List
 from schemas import Evepraisal, PriceReprocess
 import csv
 
 app = FastAPI()
+app.add_middleware(CORSMiddleware, allow_origins=["*"], allow_credentials=True, allow_methods=["*"], allow_headers=["*"])
 
 invtypematerials = defaultdict(dict)
 with open("invTypeMaterials.csv") as csvfile: