docs: fix hcl use on production acls guide (#6739)

Also clean up some general whitespace formatting.

website/source/docs/guides/production-acls.html.md

@@ -45,10 +45,10 @@ on them when you apply the token.
 # agent.hcl 
 {
   acl = {
-  	enabled = true, 
-  	default_policy = "deny",
+    enabled = true
+    default_policy = "deny"
     enable_token_persistence = true
-  	} 
+  }
 }
 ```
 
@@ -233,7 +233,7 @@ definition](https://www.consul.io/docs/agent/services.html).
 ```sh
 # dashboard-policy.hcl
 service "dashboard" {
-	policy = "write" 
+  policy = "write"
 }
 ```
 
@@ -259,18 +259,18 @@ Finally, add the token to the service definition.
 ``` 
 {
   "service": {
-  	"name": "dashboard", 
-  	"port": 9002, 
-  	"token": "57c5d69a-5f19-469b-0543-12a487eecc66", 
-  	"check": { 
-  		"id": "dashboard-check",
-  		"http": "http://localhost:9002/health", 
-  		"method": "GET", 
-  		"interval": "1s",
-  		"timeout": "1s" 
-  		} 
-  	} 
- } 
+    "name": "dashboard",
+    "port": 9002,
+    "token": "57c5d69a-5f19-469b-0543-12a487eecc66",
+    "check": {
+      "id": "dashboard-check",
+      "http": "http://localhost:9002/health",
+      "method": "GET",
+      "interval": "1s",
+      "timeout": "1s"
+    }
+  }
+}
 ```
 
 If the service is running, you will need to restart it. Unlike with agent 
@@ -302,14 +302,14 @@ nodes, and prepared queries.
 ```
 # dns-request-policy.hcl
 node_prefix "" {
-	policy = "read" 
+  policy = "read"
 }
 service_prefix "" {
-	policy = "read" 
+  policy = "read"
 }
 # only needed if using prepared queries
 query_prefix "" {
-	policy = "read" 
+  policy = "read"
 }
 ```
 
@@ -337,9 +337,8 @@ The data file must contain a valid token.
 ``` 
 # dns-token.json
 {
-  "Token":"5467d69a-5f19-469b-0543-12a487eecc66" 
+  "Token": "5467d69a-5f19-469b-0543-12a487eecc66"
 }
-
 ``` 
 
 Note, if you have multiple agents serving DNS requests you can use the same
@@ -444,13 +443,13 @@ not even to view the token you used to access the UI.
 # operator-ui.hcl
 service_prefix "" {
   policy = "read"
-  } 
+}
 key_prefix "" {
   policy = "read"
-  }
+}
 node_prefix "" {
   policy = "read"
-  }
+}
 ```
 
 ## Summary