refactor(sources/functions.sh): add clear command in banner function

actions/add_user_in_group·sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+source ./sources/functions.sh
+
+banner "Adding user in group"
+
+sleep 1
+
+log info "Search all users..."
+sleep 1
+SELECTED_USER=$(ldapsearch -x -LLL -H ldap://${LDAP_SERVER} -b "${LDAP_BASE_DN}" "(objectClass=inetOrgPerson)" dn | grep '^dn' | sed 's/dn: //g' | fzf --height=10 --reverse --cycle --prompt="❯ Choix : " -m)
+
+if [ -z "$SELECTED_USER" ]; then
+  log error "No user selected"
+else
+  log success "User selected : "
+  for i in $SELECTED_USER; do
+    echo -e " - ${i}"
+  done
+fi