fix: move "edit page" link to footer

Author: cristiand391

src/documents/document/index.html.eco

@@ -48,5 +48,3 @@ These docs are for jsforce v3.
 <%- @partial('document/tooling') %>
 
 <%- @partial('document/advanced') %>
-
-<h3><a href="https://github.com/jsforce/jsforce.github.io">Edit this page</a></h3>

src/partials/footer.html.eco

@@ -1,6 +1,9 @@
 <footer id="footer">
   <div class="container">
     <div class="row">
+      <div class="col-md-8">
+        <h4><a href="https://github.com/jsforce/jsforce.github.io">Edit this page</a></h4>
+      </div>
       <div class="col-md-8 copyright">
         JSforce development is sponsored by <a href="http://www.mashmatrix.com">Mashmatrix, Inc</a> <br>
         Code licensed under <a href="https://github.com/jsforce/jsforce/blob/master/LICENSE">the MIT License</a>,