Add internet connection check

lib/installer/InstallerUtils.sh

@@ -190,6 +190,7 @@ function installer_utils_check_dependencies() {
 # Parameters: $1 - CLI Tools missing array (will be installed) $2 - substitutes array
 function installer_utils_run_dependencies() {
   if [ ! "$1" ]; then return 1; fi
+  ping -q -w 1 -c 8.8.8.8 > /dev/null || echo -e "\n[!] No internet connection found"; exit 1
 
   # The array below holds all the packages that will be installed.
   local __installer_utils_run_dependencies__dependenciesInfo=("${!1}")