Initial import: chezmoi source for Omarchy (Hyprland)

Imported from prdlk/dotfiles master (efdd827), which supersedes the omarchy
branch (3031416). Drops the Umbriel, Noctalia, niri, CachyOS, macOS, and Blume
docs-site layers; docs/ is plain Markdown.

dot_config/systemd/user/projects-sync.service

@@ -0,0 +1,6 @@
+[Unit]
+Description=Symlink ~/Code repos into ~/Projects
+
+[Service]
+Type=oneshot
+ExecStart=%h/.local/bin/projects-sync