Docs - set fixed version to gatsby (#867)

Author: M-i-k-e-l

uilib-docs/package.json

@@ -6,7 +6,7 @@
   "author": "Kyle Mathews <[email protected]>",
   "dependencies": {
     "classnames": "^2.2.6",
-    "gatsby": "^2.2.2",
+    "gatsby": "2.23.22-static-query-template.8",
     "gatsby-image": "^2.0.34",
     "gatsby-plugin-manifest": "^2.0.24",
     "gatsby-plugin-offline": "^2.0.25",