feat: add bash vi mode

containers/base/config/bashrc

@@ -1,5 +1,9 @@
 source /etc/bashrc
 
+# === bash settings ===
+set -o vi
+bind -m vi-insert '"\C-l": clear-screen'
+
 # === environment ===
 export EDITOR="nvim" \
   WAYLAND_DISPLAY="wayland-0" \