Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,26 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Hugo version**
+[Output of `hugo version`]
+
+**Theme status**
+Is the theme up to date? Yes/No
+
+**Expected behavior**
+[What you expected to happen]
+
+**Current behavior**
+[What actually happened, including screenshots if relevant]
+
+**Steps to reproduce**
+[Clear steps to trigger the bug, or a link to a demo project]
+
+**Additional context**
+[Any relevant environment details or deployment information]