Fix missing feedback.html page

Author: dangerworm

_config.yml

@@ -3,6 +3,7 @@ title: CodeWith
 url: "https://codewith.org.uk" # the base hostname & protocol for your site
 plugins:
   - jekyll-sitemap
+  - jekyll-redirect-from
 defaults:
 -
   scope:

_includes/scripts.html

@@ -1,5 +1,5 @@
 <!-- IE10 viewport hack for Surface/desktop Windows 8 bug -->
-<script src="./js/ie10-viewport-bug-workaround.js"></script>
+<script src="{{site.url}}/js/ie10-viewport-bug-workaround.js"></script>
 
 <script src="https://www.eventbrite.co.uk/static/widgets/eb_widgets.js"></script>
 <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>

feedback_html.html

@@ -0,0 +1,15 @@
+---
+permalink: /feedback.html
+layout: default
+suffixes: 
+    - Change,
+    - Feedback,
+    - Improvement,
+    - Progress,
+    - Us
+title: Feedback
+---
+
+<iframe name="feedback" class="feedback-form"
+    src="https://docs.google.com/forms/d/e/1FAIpQLSfp26KbuYZXc49kXPfAlZaq9IfAvAtDStAK8aCSC0-nVLqwtQ/viewform?embedded=true"
+    frameborder="0" marginheight="0" marginwidth="0">Loading…</iframe>