Update emacs installation script

emacs-install-debian12.sh

@@ -24,6 +24,7 @@
 LOG_DIR="/home/${SUDO_USER}"
 LOG="${LOG_DIR}/log.txt"
 PREFIX="/home/${SUDO_USER}/.local"
+BRANCH="emacs-29"
 
 #############################################################
 #          HELPER FUNCTIONS
@@ -220,7 +221,7 @@ clone_and_build_emacs() {
     warn "Press enter to proceed with $step_name"; read
     info "$step_name"
 
-    git clone https://git.savannah.gnu.org/git/emacs.git -b emacs-29
+    git clone https://git.savannah.gnu.org/git/emacs.git -b $BRANCH
     cd emacs
     ./autogen.sh
 
@@ -412,5 +413,6 @@ clone_emacs_config
 info "Reboot (!) before starting Emacs"
 info "Bye!"
 info "PS. Log is here: ${LOG}"
+warn "M-x nerd-icons-install-fonts"
 
 exit 0