Create ISSUE_TEMPLATE.md

Author: mtxr

ISSUE_TEMPLATE.md

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+> This is a guideline to help us to understand SQLTools Issues. 
+> 
+> You don't need to stick to this, but please try to guide us to reproduce the errors or understand your feature requests.
+
+### Issue Type
+
+* [ ] Feature Request
+* [ ] Bugfix/Errors
+* [ ] Questions
+* [ ] Other
+
+### Prerequisites (For bugfixes)
+
+* [ ] Are you running the latest version?
+* [ ] Did you check the logs?
+* [ ] Did you check the Setup?
+
+### Description
+
+[Description of the bug or feature]
+
+### Steps to Reproduce (For bugfixes)
+
+1. [First Step]
+2. [Second Step]
+3. [and so on...]
+
+**Expected behavior:** [What you expected to happen]
+
+**Actual behavior:** [What actually happened]
+
+### Versions
+
+- *Version*: vX.Y.Z
+- *OS*: ...
+
+You can get this information from executing `ST: About` from Sublime `Command Palette`.