add hetzner module (#1)

Create a module to provision VMs in hcloud

Reviewed-on: #1

modules/hetzner_server/outputs.tf

@@ -0,0 +1,9 @@
+output "ipv4_address" {
+  description = "Primary public IPv4 address of the host"
+  value       = hcloud_server.this.ipv4_address
+}
+
+output "ipv6_address" {
+  description = "Primary public IPv6 address of the host"
+  value       = hcloud_server.this.ipv6_address
+}