Update config.yml

Author: luc-github

.github/ISSUE_TEMPLATE/config.yml

@@ -3,6 +3,9 @@ contact_links:
   - name: Wiki
     url: https://github.com/luc-github/ESP3D/wiki
     about: The Wiki has lot of informations.
+  - name: F.A.Q. (Frequent asked questions)
+    url: https://github.com/luc-github/ESP3D/issues?utf8=%E2%9C%93&q=label%3AFAQ
+    about: The usual questions / problems meet and their solution  
   - name: Gitter chat
     url: https://gitter.im/luc-github/ESP3D
     about: Join the gitter for support and discussion.