added client side attack env to virtual lab and server side tcp

virtual-test-environment/edgers/client/Vagrantfile

@@ -16,5 +16,9 @@ Vagrant.configure(2) do |config|
   end
 
   config.vm.provision :shell, path: "setup_net.sh"
-
+  
+  config.vm.provision "shell", inline: <<-SHELL
+    sudo apt-get update
+    sudo apt-get install -y openvpn
+  SHELL
 end