Added the Improve page link to footer

Author: Rishabh Chakrabarti

_includes/footer.html

@@ -2,11 +2,14 @@
         <nav>
           <a href="/about/">About</a>
           <a href="/terms-of-service/">Terms of Service</a>
+          <!-- Adds the `Github Link` for the corresponding page -->
+          {% github_edit_link "Help improve this page" %}
         </nav>
         <p>
           The content of this site is licensed under the <a href="https://creativecommons.org/licenses/by/3.0/">
           Creative Commons Attribution 3.0 Unported License</a>.
         </p>
+        
         <div class="with-love">
           Curated with &lt;3 by <a href="https://github.com">GitHub, Inc.</a> and <a href="https://github.com/github/choosealicense.com">You!</a>
         </div>

_includes/sidebar.html

@@ -1,8 +1,5 @@
 <div class="sidebar">
 
-  <!-- Adds the `Github Link` for the corresponding page page -->
-  {% github_edit_link "Help improve this page" %}
-
   <a href="#" data-clipboard-target="#license-text" data-proofer-ignore="true" class="js-clipboard-button button">Copy license text to clipboard</a>
 
   <div class="how-to-apply">