Merge branch 'support' into 'master'

Add Support button

Closes #37

See merge request ReverseEagle/developers!26

_data/header.json

@@ -19,6 +19,10 @@
         {
             "name": "About",
             "url": "https://reverseeagle.org/about/"
+        },
+        {
+            "name": "Support Us!",
+            "url": "https://reverseeagle.org/support/"
         }
     ]
 }