chore: Ported issue template

from https://github.com/peaceiris/actions-gh-pages

.github/ISSUE_TEMPLATE/2_bug_report.md

@@ -0,0 +1,31 @@
+---
+name: Bug Report
+about: First, use the User Support Issue Template
+title: 'sample_title'
+labels: bug
+assignees: peaceiris
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Your YAML file**
+- A link to your repository
+- A link to your YAML file
+
+**Additional context**
+Add any other context about the problem here.