Initial import: chezmoi source for CachyOS + Umbriel + Noctalia

Imported from prdlk/dotfiles master (efdd827). Drops the niri, Hyprland/Omarchy,
macOS, and Blume docs-site layers; docs/ is plain Markdown.

dot_leetcode/star-prompt.json

@@ -0,0 +1,11 @@
+{
+  "totalAccepted": 60,
+  "shownMilestones": [
+    10,
+    20
+  ],
+  "submissionsSinceLastPrompt": 43,
+  "windowStartedAt": 1790356839288,
+  "lastShownAt": 1790359187702,
+  "dismissed": true
+}