ISSUE_TEMPLATE

### New Issue Checklist

* [ ] I have read and understood the [CONTRIBUTING guide](https://github.com/SVGKit/SVGKit/blob/2.x/CONTRIBUTING.md)
* [ ] I have reproduced the problem while running in Xcode, and read the Console log, and acted upon any relevant error or warning messages
* [ ] I have reproduced the problem while running in Xcode's Debugger, and used breakpoints to examine the actual values of variables vs the expected values
* [ ] I am not using CocoaPods, or: I am using CocoaPods, but have verified my podspec points to SVGKit v2.x

### Issue Description and Steps

Please fill in the detailed description of the issue (full output of any stack trace, compiler error, ...) and the steps to reproduce the issue.