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.

.gitignore

@@ -0,0 +1,9 @@
+/dot_config/lazygit/dot_omc
+
+# Beads / Dolt files (added by bd init)
+.dolt/
+*.db
+.beads-credential-key
+
+__pycache__/
+node_modules/