fix issue template field: about -> description

GitHub's YAML issue forms require `description:`, not `about:` (which
is for the legacy markdown templates). GitHub silently ignores forms
with invalid top-level fields, so only the config.yml contact links
were showing in the new-issue picker.

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -1,5 +1,5 @@
 name: Bug Report
-about: Something broken or misbehaving
+description: Something broken or misbehaving
 title: "[BUG] "
 labels: ["bug"]
 body:

.github/ISSUE_TEMPLATE/docs.yaml

@@ -1,5 +1,5 @@
 name: Documentation Issue
-about: Typos, unclear sections, missing docs, broken links
+description: Typos, unclear sections, missing docs, broken links
 title: "[DOCS] "
 labels: ["documentation"]
 body:

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -1,5 +1,5 @@
 name: Feature Request
-about: Suggest a new feature or enhancement
+description: Suggest a new feature or enhancement
 title: "[FEAT] "
 labels: ["enhancement"]
 body:

.github/ISSUE_TEMPLATE/hyprland_wayland.yaml

@@ -1,5 +1,5 @@
 name: Hyprland / Wayland Issue
-about: Compositor-specific issues (window positioning, popout math, Waybar, multi-monitor)
+description: Compositor-specific issues (window positioning, popout math, Waybar, multi-monitor)
 title: "[HYPR] "
 labels: ["hyprland", "wayland"]
 body:

.github/ISSUE_TEMPLATE/performance.yaml

@@ -1,5 +1,5 @@
 name: Performance Issue
-about: Slowdowns, lag, high memory/CPU, UI freezes (distinct from broken features)
+description: Slowdowns, lag, high memory/CPU, UI freezes (distinct from broken features)
 title: "[PERF] "
 labels: ["performance"]
 body:

.github/ISSUE_TEMPLATE/site_support.yaml

@@ -1,5 +1,5 @@
 name: Site Support Request
-about: Request support for a new booru backend
+description: Request support for a new booru backend
 title: "[SITE] "
 labels: ["site-support"]
 body:

.github/ISSUE_TEMPLATE/theme_submission.yaml

@@ -1,5 +1,5 @@
 name: Theme Submission
-about: Submit a palette for inclusion
+description: Submit a palette for inclusion
 title: "[THEME] "
 labels: ["theme"]
 body:

.github/ISSUE_TEMPLATE/ux_feedback.yaml

@@ -1,5 +1,5 @@
 name: UX Feedback
-about: Non-bug UX suggestions, workflow friction, small polish
+description: Non-bug UX suggestions, workflow friction, small polish
 title: "[UX] "
 labels: ["ux"]
 body: