Update issue templates

.github/ISSUE_TEMPLATE/Feature_request.md

@@ -0,0 +1,10 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+
+---
+
+!!! IMPORTANT !!!
+
+DO NOT POST FEATURE REQUESTS HERE!
+Use the feature board instead: https://requests.requarks.io/wiki