Add 1TB hcloud volume to gitlab (fixes #157)

Sorry, this was kind of an emergency and I had to quickly perform this change so no MR for this.

tf-stage1/archlinux.tf

@@ -918,6 +918,7 @@ resource "hcloud_server" "bbs" {
   }
 }
 
+
 resource "hcloud_rdns" "gitlab_ipv4" {
   server_id  = hcloud_server.gitlab.id
   ip_address = hcloud_server.gitlab.ipv4_address
@@ -939,6 +940,13 @@ resource "hcloud_server" "gitlab" {
   }
 }
 
+resource "hcloud_volume" "gitlab" {
+  name = "gitlab"
+  size = 1000
+  server_id = hcloud_server.gitlab.id
+}
+
+
 resource "hcloud_rdns" "matrix_ipv4" {
   server_id  = hcloud_server.matrix.id
   ip_address = hcloud_server.matrix.ipv4_address