Update issue templates

Author: hathach

.github/ISSUE_TEMPLATE/for-questions-please-use-our-forum-support.md

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+---
+name: For questions please use our forum support
+about: Please don't open issue for question
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Please DO NOT use GitHub issues for question or troubleshooting projects.**  Instead use the forums at http://forums.adafruit.com. Only create issue if it is a bug, feature  or discussion that requires **code changes to resolve**.
+
+**Check our tutorial and examples** There is chance that our tutorial and examples has useful information for you:
+- [Feather nRF52832 tutorial](https://learn.adafruit.com/bluefruit-nrf52-feather-learning-guide) 
+- [Feather nRF52840 tutorial](https://learn.adafruit.com/introducing-the-adafruit-nrf52840-feather)