Add more structure and guidance

- contribution guidelines
- GitHub templates
- new paragraph in README

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,32 @@
+Use one of the two templates below and delete the rest.
+
+8<------------------------ BUG REPORT -----------------------------------------
+### Expected behavior
+
+### Actual behavior
+
+### Test code
+Provide a [Minimal, Complete, and Verifiable example](http://stackoverflow.com/help/mcve) which will reproduce the problem.
+
+```c
+// add code here
+```
+### Weather Station Color version
+Which branch are you on? If you know the Git revision then add it here as well.
+
+### Hardware
+Describe whether you run the code on the ThingPulse Weather Station Color kit or on some custom hardware.
+
+8<------------------------ END BUG REPORT -------------------------------------
+
+
+8<------------------------ FEATURE REQUEST ------------------------------------
+### Missing feature
+
+### Justification
+Tell us why you would like to see this feature added.
+
+### Workarounds
+Are there any workarounds you currently have in place because the feature is missing?
+
+8<------------------------ END FEATURE REQUEST --------------------------------