Added mailing list address.

.github/ISSUE_TEMPLATE.md

@@ -1,6 +1,7 @@
 ## Found a bug? - We would like to help you and smash the bug away.
 1. __Please don't "report" questions as bugs.__
   * We are reachable via IRC _#freerdp on freenode_
+  * We are reachable via mailing list <[email protected]>
   * Try our mailing list for discussions/questions
 1. Before reporting a bug have a look into our issue tracker to see if the bug was already reported and you can add some additional information.
 1. If it's a __new__ bug - create a new issue.

.github/PULL_REQUEST_TEMPLATE.md

@@ -19,5 +19,6 @@
 ## What you should be prepared for
 * fix issues found during the review phase
 * Joining IRC _#freerdp_ to talk to other developers or help them test your pull might accelerate acceptance
+* Joining our mailing list <[email protected]> may be helpful too.
 
 ## Please remove this text before submitting your pull!