Return headers for all endpoints (#235)

Author: JoviDeCroock

netlify.toml

@@ -3,7 +3,7 @@
   command = "npm run download && npm run build"
   publish = "public/"
 [[headers]]
-  for = "/graphql*"
+  for = "/*"
   [headers.values]
     Access-Control-Allow-Origin = "*"
     Access-Control-Allow-Headers = "*"