Add ISSUE_TEMPLATE

Author: 1st1

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,13 @@
+<!--
+Thanks for wanting to report an issue you've found in MagicPython.
+If this is a bug report, then please fill in the template below.
+
+Thank you!
+-->
+
+* **Editor name and version**:
+* **Platform**:
+* **Color scheme**:
+* **MagicPython version**:
+* **A sreenshot**:
+* **5-10 lines of surrounding code**: