Add CORS

Author: angelocordon

package-lock.json

@@ -25,6 +25,7 @@
 		"nodemon": "^1.19.1"
 	},
 	"dependencies": {
+		"cors": "^2.8.5",
 		"dotenv": "^8.1.0",
 		"express": "^4.17.1"
 	}

package.json

@@ -1,7 +1,14 @@
+import "dotenv/config";
+import cors from "cors";
 import express from "express";
 
 const app = express();
 
+// Add CORS headers for allowing outside applications to be able to access
+// resources.  See library documentation for more options
+// (i.e., whitelisting domains): https://github.com/expressjs/cors
+app.use(cors());
+
 app.get("/", (req, res) => {
 	res.send("hello world");
 });