shell: add XDG_RUNTIME_DIR and KFF_DEFAULT_COMMAND

shell/.profile

@@ -14,6 +14,8 @@ export EDITOR=kak
 export VISUAL=kak
 
 export BAT_THEME='Catppuccin Frappe'
+export XDG_RUNTIME_DIR="$HOME/local/run"
+export KFF_DEFAULT_COMMAND='fd -t f'
 
 # if running bash
 if [ -n "$BASH_VERSION" ]; then