📝 Fix metrics configuration in documentation

Author: ujibang

docs/default-configuration.adoc

@@ -538,13 +538,15 @@ logging:
 
 [source,yml]
 ----
-# Metrics
-# see https://restheart.org/docs/metrics
+# Metrics see https://restheart.org/docs/metrics
+metrics:
+  enabled: true
+  uri: /metrics
+
 requestsMetricsCollector:
   enabled: false
-  uri: /metrics
-  include: [ "/*" ]
-  exclude: [ "/metrics", "/metrics/*" ]
+  include: ["/*"]
+  exclude: ["/metrics", "/metrics/*"]
 
 jvmMetricsCollector:
   enabled: false

docs/monitoring.adoc

@@ -29,9 +29,11 @@ With the given `RHO` env variable, the configuration is:
 ----
 ping:
   uri: /acme/ping # change the ping service uri for testing purposes
-requestsMetricsCollector:
+metrics:
   enabled: true
   uri: /metrics
+requestsMetricsCollector:
+  enabled: true
   include:
     - /{tenant}/*
   exclude: