chore: add asyntax hightlighting

Author: brnhensley

src/content/docs/infrastructure/prometheus-integrations/install-configure-openmetrics/ignore-or-include-prometheus-metrics.mdx

@@ -45,7 +45,7 @@ The [`nri-prometheus-latest.yaml`](https://download.newrelic.com/infrastructure_
 
     To drop all metrics that start with `go_` or `process_`:
 
-    ```
+    ```yml
     transformations:
       - description: "General processing rules"
         ignore_metrics:
@@ -56,7 +56,7 @@ The [`nri-prometheus-latest.yaml`](https://download.newrelic.com/infrastructure_
 
     Example of raw Prometheus metrics
 
-    ```
+    ```promql
     go_goroutines 13
     process_virtual_memory_bytes 2.062336e+07
     mysql_global_status_commands_total{command="ha_close"} 0
@@ -69,7 +69,7 @@ The [`nri-prometheus-latest.yaml`](https://download.newrelic.com/infrastructure_
 
     After filtering has been applied, the `go_` and `process_` metrics are dropped and the `mysql_` metrics are shipped to New Relic.
 
-    ```
+    ```promql
     mysql_global_status_commands_total{command="ha_close"} 0 
     mysql_global_status_commands_total{command="ha_open"} 0
     ```
@@ -85,7 +85,7 @@ The [`nri-prometheus-latest.yaml`](https://download.newrelic.com/infrastructure_
 
     To drop all metrics except `kube_hpa_`:
 
-    ```
+    ```yml
     transformations:
       - description: "General processing rules"
         ignore_metrics:
@@ -106,15 +106,15 @@ The [`nri-prometheus-latest.yaml`](https://download.newrelic.com/infrastructure_
 
     To drop all `coredns_` metrics, except for `coredns_dns_request_count_total` and `coredns_dns_responses_total`:
 
-    ```
+    ```yml
     transformations:
       - description: "CoreDNS Example Metrics"
         ignore_metrics:
           - prefixes:
-            - coredns_
+              - coredns_
             except:
-            - coredns_dns_request_count_total
-            - coredns_dns_responses_total
+              - coredns_dns_request_count_total
+              - coredns_dns_responses_total
     ```
   </Collapser>
 </CollapserGroup>