add issue_template

.github/ISSUE_TEMPLATE/bug.md

@@ -0,0 +1,21 @@
+---
+name: Bug report
+about: Report an issue or unexpected behaviour with Artplayer
+---
+
+### Expected behaviour
+
+### Actual behaviour
+
+### Steps to reproduce
+
+### Environment
+
+- Browser:
+- Version:
+- Operating System:
+- Version:
+
+### Console errors (if any)
+
+### Link to where the bug is happening

.github/ISSUE_TEMPLATE/feature.md

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+---
+name: New feature
+about: Request new functionality
+---

.github/ISSUE_TEMPLATE/improvement.md

@@ -0,0 +1,4 @@
+---
+name: Improvement
+about: Request a change that isn't a bug or new feature
+---

.github/issue_template.md

@@ -0,0 +1 @@
+PLEASE USE OUR SPECIFIC ISSUE TEMPLATES for bug reports, features and improvement suggestions.