Move Ruby Companies link to main area (#84)

Everyone look here!

---------

Co-authored-by: Philip Arndt <[email protected]>

_layouts/default.html

@@ -55,7 +55,7 @@ <h3>Ruby in Aotearoa New Zealand</h3>
             <a href="/#current-committee">Current Committee</a>
             <a href="/#past-committee">Past Committee</a>
             <a href="/#slack-moderators">Slack Moderators</a>
-            <a href="https://github.com/rubynz/www/wiki/Ruby-and-or-Rails-Companies-in-NZ">Local Ruby/Rails Companies</a>
+            <a href="/#ruby-companies">Companies known to use Ruby in New Zealand</a>
           </nav>
         </div>
       </aside>

index.html

@@ -62,6 +62,14 @@ <h2>Local Meetups</h2>
   <p>Do you run a meetup that's not listed here? <a href="https://github.com/rubynz/www">Make a pull request</a> to add yours to the site.</p>
 </section>
 <hr />
+
+<section id="ruby-companies">
+  <h2>Companies known to use Ruby in New Zealand</h2>
+
+  <p>Looking for help with a Ruby project or want to work with Ruby? Here's a <a href="https://github.com/rubynz/www/wiki/Companies-known-to-use-Ruby-in-NZ">register of companies using Ruby in New Zealand.</a></p>
+  <hr />
+</section>
+
 <section id="code-of-conduct">
   <h2>Code of Conduct</h2>
 
@@ -108,6 +116,7 @@ <h3>Meeting Minutes</h3>
 
   <p>Older minutes can be found <a href="https://github.com/rubynz/www/wiki/2019-Committee-Minutes">on GitHub</a>.</p>
 </section>
+
 <hr />
 <section id="past-committee">
   <h2>Past Committee Members</h2>