Update issue templates

Author: finwe

.github/ISSUE_TEMPLATE/Issue.md .github/ISSUE_TEMPLATE/issue.md.github/ISSUE_TEMPLATE/Issue.md renamed to .github/ISSUE_TEMPLATE/issue.md

@@ -1,3 +1,12 @@
+---
+name: Issue
+about: Create a general Issue
+title: ''
+labels: ''
+assignees: ''
+
+---
+
 > Please use https://stackoverflow.com/questions/tagged/mpdf for all your general questions or troubleshooting!
 > 
 > Submit here ONLY issues about mPDF DOCUMENTATION. For mPDF issues and feature requests see: https://github.com/mpdf/mpdf/issues