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_config/bash/functions/gho.bash

@@ -0,0 +1,11 @@
+# Pick a ghq repo / Obsidian vault with tv (ghq-repos cable) + cd.
+gho() {
+    local dir
+    dir=$(tv ghq-repos --inline) || return
+    [ -n "$dir" ] || return 1
+    cd "$dir" || return
+    clear
+    if [ -d .git ]; then
+        onefetch
+    fi
+}