add quantum theme

themes/quantum.zsh-theme

@@ -0,0 +1,39 @@
+# Quantum Theme For ZSH
+
+# 🎨 Colors
+local dir_color="%{$fg_bold[cyan]%}"
+local branch_name_color="%{$fg_bold[yellow]%}"
+local detached_color="%{$fg_bold[red]%}"
+local arrow_color="%{$fg_bold[green]%}"
+local reset="%{$reset_color%}"
+
+# 📁 Current folder name
+function quantum_dir_name() {
+  if [[ "$PWD" == "$HOME" ]]; then
+    echo "${dir_color}~${reset}"
+  elif [[ "$PWD" == "/" ]]; then
+    echo "${dir_color}/${reset}"
+  else
+    echo "${dir_color}${PWD##*/}${reset}"
+  fi
+}
+
+# 🌿 Git branch (symbol + name only if on branch)
+function quantum_git_info() {
+  git rev-parse --is-inside-work-tree &>/dev/null || return
+
+  local ref=$(git symbolic-ref --quiet HEAD 2>/dev/null)
+
+  if [[ -n "$ref" ]]; then
+    # On a branch
+    local branch=${ref##refs/heads/}
+    echo " ${arrow_color}»${reset} ${branch_name_color} ${branch}${reset}"
+  else
+    # Detached HEAD
+    local commit=$(git rev-parse --short HEAD 2>/dev/null)
+    echo " ${arrow_color}»${reset} ${detached_color}${commit}${reset}"
+  fi
+}
+
+# 🚀 Prompt
+PROMPT='$(quantum_dir_name)$(quantum_git_info) ${arrow_color}»${reset} '