github: add a barebones ISSUE_TEMPLATE

Not everyone might read CONTRIBUTING.md and hopefully this makes it
easier to file things in the right place?

(Ironically, this is a PR for something that wasn't discussed 😅)

Change-Id: Id0000000d9dce224d4f31a892e80b21a4452bdc3

.github/ISSUE_TEMPLATE/bug-reports.md

@@ -0,0 +1,14 @@
+---
+name: Bug Reports
+about: Bug Reports with clear steps to reproduce
+---
+
+# Description
+
+# Steps to Reproduce
+
+# Expected Behavior
+
+# Actual Behavior
+
+# Additional Information

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Feature Requests and Others
+    about: Feature Requests, Bug Reports without clear steps to reproduce, etc.
+    url: https://github.com/ghostty-org/ghostty/discussions