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/bash/functions/cd.bash

@@ -0,0 +1,23 @@
+# cd with zoxide fallback, else builtin cd.
+cd() {
+    local rc target
+    if [ $# -eq 0 ]; then
+        builtin cd "$HOME"
+    elif [ "$1" = - ]; then
+        builtin cd -
+    elif builtin cd "$1" 2>/dev/null; then
+        : # exact path resolved, nothing else to do
+    elif command -v zoxide >/dev/null 2>&1; then
+        target=$(zoxide query -- "$1" 2>/dev/null)
+        if [ -n "$target" ]; then
+            builtin cd "$target"
+        else
+            builtin cd "$1" # let builtin cd surface the real error
+        fi
+    else
+        builtin cd "$1"
+    fi
+    rc=$?
+    command -v zoxide >/dev/null 2>&1 && zoxide add "$PWD" 2>/dev/null
+    return $rc
+}