add twitter handle @oam_dev

Author: flynnduism

config.yml

@@ -49,7 +49,7 @@ params:
     logo: strapline.svg
     # Social media links (GitHub, Twitter, etc.). All are optional.
     socialmedia:
-    - link: https://twitter.com/oamdev
+    - link: https://twitter.com/oam_dev
       icon: twitter
     - link: https://gitter.im/oam-dev/
       icon: slack

public/index.html

@@ -373,7 +373,7 @@ <h4>Community</h4>
       <div class="column is-half">
         <div class="content has-text-right">
             <p>
-              <a class="" href="https://twitter.com/oamdev">
+              <a class="" href="https://twitter.com/oam_dev">
                 <span class="icon"><i class="fa fa-twitter"></i></span> Twitter
               </a>
               <a class="" href="https://gitter.im/oam-dev/">