chore: restore issue templates

.github/ISSUE_TEMPLATE/bug-report.md

@@ -0,0 +1,39 @@
+---
+name: "🐛 Bug Report"
+about: "If something isn't working as expected"
+
+---
+## Bug Report
+
+**Current Behavior**
+A clear and concise description of the behavior.
+
+**Steps to Reproduce**
+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.
+
+**Environment**
+- Flarum version: x.y.z
+- Website URL: http://example.com
+- Webserver: [e.g. apache, nginx]
+- Hosting environment: [e.g. shared, vps]
+- PHP version: x.y.z
+- Browser: [e.g. chrome 67, safari 11]
+
+```
+Output of "php flarum info", run this in terminal in your Flarum directory.
+```
+
+**Possible Solution**
+<!--- Only if you have suggestions or a fix for the bug -->
+
+**Additional Context**
+Add any other context about the problem here.