Fix outbound rules

 - allow outbound udp to all
 - rename varaibles to variables
 - fix readme

Author: rchenzheng

main.tf

@@ -43,6 +43,13 @@ resource "digitalocean_firewall" "default" {
     port_range            = "1-65535"
     destination_addresses = ["0.0.0.0/0", "::/0"]
   }
+
+  outbound_rule {
+    protocol              = "udp"
+    port_range            = "1-65535"
+    destination_addresses = ["0.0.0.0/0", "::/0"]
+  }
+
   tags = [
     module.labels.name,
     module.labels.application,

outputs.tf

@@ -1,5 +1,5 @@
-#Module      : SSH KEY
-#Description : Provides a DigitalOcean SSH key resource to allow you to manage SSH keys for Droplet access.
+#Module      :  Firewall
+#Description :  Provides a DigitalOcean Cloud Firewall resource. This can be used to create, modify, and delete Firewalls.
 output "id" {
   value       = join("", digitalocean_firewall.default.*.id)
   description = "A unique ID that can be used to identify and reference a Firewall."