Create ISSUE_TEMPLATE.md

.github/ISSUE_TEMPLATE.md

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+<!-- Please complete the follow issue template. If is not an issue, feel free to remove the steps and behaviours -->
+
+### Steps to reproduce
+
+1. 
+2. 
+3. 
+
+### Expected behaviour
+
+<!-- Write here -->
+
+### Actual behaviour
+
+<!-- Write here -->
+
+### ENVIRONMENT
+
+<!-- Complete your environment -->
+
+> Rambox: v0.X.X
+
+> OS: XXXX
+
+> Arch: x64 or ia32