[RG][ZSH] Add ripgrep config skipping *venv dirs (non-shared only)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

setup_ubuntu.sh

@@ -9,7 +9,7 @@ shopt -s nullglob
 
 sudo apt -y update
 sudo apt -y dist-upgrade
-sudo apt -y install curl zsh tmux virtualenvwrapper powerline fonts-powerline python3 python3-pip python3-pynvim fzf
+sudo apt -y install curl zsh tmux virtualenvwrapper powerline fonts-powerline python3 python3-pip python3-pynvim fzf ripgrep
 sudo snap install --classic nvim
 
 # VMs: the guest agent lets the hypervisor read OS info (virsh guestinfo --os)