Add issue templates

.github/ISSUE_TEMPLATE/anything-else.md

@@ -0,0 +1,10 @@
+---
+name: Anything else
+about: Something's wrong, but it's not a bug with the template
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!-- If you're requesting a new feature or suggesting an idea, please use the "Discussions" tab instead of opening a new issue. Thank you! -->

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,30 @@
+---
+name: Bug report
+about: Something's broken with the template
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+<!-- If you're requesting a new feature or suggesting an idea, please use the "Discussions" tab instead of opening a new issue. Thank you! -->
+
+**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.
+
+**Desktop (please complete the following information):**
+ - Operating system: [e.g. macOS 11.4]
+ - Ruby version: [e.g. Ruby 2.7.1]