Merge pull request #585 from dart-lang/issue_template

Issue template for package:coverage

Author: liamappelbe

.github/ISSUE_TEMPLATE/coverage.md

@@ -0,0 +1,5 @@
+---
+name: "package:coverage"
+about: "Create a bug or file a feature request against package:coverage."
+labels: "package:coverage"
+---