Attach documents to expenses (#64)

* Upload documents to receipts

* Improve documents

* Make the feature opt-in

* Fix file name issue

next.config.js

@@ -1,4 +1,15 @@
 /** @type {import('next').NextConfig} */
-const nextConfig = {}
+const nextConfig = {
+  images: {
+    remotePatterns:
+      process.env.S3_UPLOAD_BUCKET && process.env.S3_UPLOAD_REGION
+        ? [
+            {
+              hostname: `${process.env.S3_UPLOAD_BUCKET}.s3.${process.env.S3_UPLOAD_REGION}.amazonaws.com`,
+            },
+          ]
+        : [],
+  },
+}
 
 module.exports = nextConfig