Add hcl extention for nomad files

to get syntax highlighting be default.

2-nomad-config/terraform.tfstate

@@ -1,7 +1,7 @@
 {
   "version": 4,
   "terraform_version": "1.11.4",
-  "serial": 142,
+  "serial": 143,
   "lineage": "15e0900c-88bc-9754-4600-e3977d018ba0",
   "outputs": {},
   "resources": [
@@ -70,7 +70,9 @@
           "schema_version": 0,
           "attributes": {
             "allocation_ids": [],
-            "datacenters": [],
+            "datacenters": [
+              "*"
+            ],
             "deployment_id": null,
             "deployment_status": null,
             "deregister_on_destroy": true,
@@ -123,7 +125,9 @@
           "schema_version": 0,
           "attributes": {
             "allocation_ids": [],
-            "datacenters": [],
+            "datacenters": [
+              "*"
+            ],
             "deployment_id": null,
             "deployment_status": null,
             "deregister_on_destroy": true,