Improve tracing documentation

docs/content/observability/tracing/datadog.md

@@ -2,11 +2,16 @@
 
 To enable the DataDog:
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.dataDog]
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  dataDog: {}
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.datadog
@@ -18,12 +23,18 @@ _Required, Default="127.0.0.1:8126"_
 
 Local Agent Host Port instructs reporter to send spans to datadog-tracing-agent at this address.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.dataDog]
     localAgentHostPort = "127.0.0.1:8126"
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  dataDog:
+    localAgentHostPort: 127.0.0.1:8126
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.datadog.localAgentHostPort="127.0.0.1:8126"
@@ -35,12 +46,18 @@ _Optional, Default=false_
 
 Enable DataDog debug.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.dataDog]
     debug = true
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  dataDog:
+    debug: true
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.datadog.debug=true
@@ -52,12 +69,18 @@ _Optional, Default=empty_
 
 Apply shared tag in a form of Key:Value to all the traces.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.dataDog]
     globalTag = "sample"
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  dataDog:
+    globalTag: sample
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.datadog.globalTag="sample"
@@ -70,12 +93,18 @@ _Optional, Default=false_
 Enable priority sampling. When using distributed tracing,
 this option must be enabled in order to get all the parts of a distributed trace sampled.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.dataDog]
     prioritySampling = true
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  dataDog:
+    prioritySampling: true
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.datadog.prioritySampling=true