Add new file

.github/ISSUE_TEMPLATE.md

+Please note that all issues should be preferentially opened at
+https://git.duniter.org/nodes/typescript/modules/duniter-currency-monit/issues/new?issue
+
+If you open issue here, it will be duplicated manually on our hosted gitlab and closed here with a link to our main repository.
+
+Thank you for your understanding.
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