Create ISSUE_TEMPLATE.md

Author: jimkyndemeyer

.github/ISSUE_TEMPLATE.md

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+## Before you create the issue
+- Please search the [existing issues](https://github.com/jimkyndemeyer/js-graphql-intellij-plugin/issues?q=sort%3Aupdated-desc) before opening a new issue.
+- Read the [FAQ](https://github.com/jimkyndemeyer/js-graphql-intellij-plugin#faq)
+- If you're using an EAP, try with a stable version. If that works, please mention it in the issue along with both versions.
+
+## Version and Environment Details
+__Operation system__: 
+
+__IDE name and version__: 
+
+__Plugin version__: 
+
+## Expected Behaviour
+
+## Actual Behaviour
+
+## Steps to Reproduce / Link to Repo with Reproduction and Instructions