feat(issues): new format for issue templates

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,40 @@
+---
+name: New Issue
+labels: needs-triage
+---
+
+**Note: for support questions, please first reference our [documentation](https://docs.aws.amazon.com/cdk/api/latest), then use [Stackoverflow](https://stackoverflow.com/questions/ask?tags=aws-cdk)**. This repository's issues are intended for feature requests and bug reports.
+
+* **I'm submitting a ...**
+  - [ ] :beetle: bug report
+  - [ ] :rocket: feature request
+  - [ ] :books: construct library gap
+  - [ ] :phone: security issue or vulnerability => Please see [policy](https://github.com/awslabs/aws-cdk/security/policy)
+  - [ ] :question: support request => Please see note at the top of this template.
+
+
+* **What is the current behavior?**
+
+
+
+* **If the current behavior is a :beetle:bug:beetle:: Please provide the steps to reproduce**
+
+
+
+* **What is the expected behavior?**
+
+
+
+* **What is the motivation / use case for changing the behavior?**
+
+
+
+* **Please tell us about your environment:**
+
+  - CDK Version: xx.xx.xx
+  - OS: [all | Windows 10 | OSX Mojave | Ubuntu | etc... ]
+  - Language: [all | TypeScript | Java | Python ]
+
+
+* **Other information** (e.g. detailed explanation, stacktraces, related issues, suggestions how to fix, links for us to have context, eg. associated pull-request, stackoverflow, gitter, etc)
+