Adds Gatsby 5 as a Peer Dependency (#28)

* Adds Gatsby 5 as a peer dependency

* Adds Gatsby 5 as a peer dependency

Author: TannerJuby1

package-lock.json

@@ -34,6 +34,6 @@
     "rimraf": "3.x"
   },
   "peerDependencies": {
-    "gatsby": "^4.0.0 || ^3.0.0 || ^2.0.0"
+    "gatsby": "^5.0.0 || ^4.0.0 || ^3.0.0 || ^2.0.0"
   }
 }