Improve tracing documentation

docs/content/observability/tracing/jaeger.md

@@ -2,11 +2,16 @@
 
 To enable the Jaeger:
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.jaeger]
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  jaeger: {}
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.jaeger
@@ -22,12 +27,18 @@ _Required, Default="http://localhost:5778/sampling"_
 
 Sampling Server URL is the address of jaeger-agent's HTTP sampling server.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.jaeger]
     samplingServerURL = "http://localhost:5778/sampling"
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  jaeger:
+    samplingServerURL: http://localhost:5778/sampling
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.jaeger.samplingServerURL="http://localhost:5778/sampling"
@@ -39,12 +50,18 @@ _Required, Default="const"_
 
 Sampling Type specifies the type of the sampler: `const`, `probabilistic`, `rateLimiting`.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.jaeger]
     samplingType = "const"
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  jaeger:
+    samplingType: const
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.jaeger.samplingType="const"
@@ -62,12 +79,18 @@ Valid values for Param field are:
 - for `probabilistic` sampler, a probability between 0 and 1
 - for `rateLimiting` sampler, the number of spans per second
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.jaeger]
     samplingParam = 1.0
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  jaeger:
+    samplingParam: 1.0
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.jaeger.samplingParam="1.0"
@@ -79,12 +102,18 @@ _Required, Default="127.0.0.1:6831"_
 
 Local Agent Host Port instructs reporter to send spans to jaeger-agent at this address.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.jaeger]
     localAgentHostPort = "127.0.0.1:6831"
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  jaeger:
+    localAgentHostPort: 127.0.0.1:6831
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.jaeger.localAgentHostPort="127.0.0.1:6831"
@@ -96,12 +125,18 @@ _Optional, Default=false_
 
 Generate 128-bit trace IDs, compatible with OpenCensus.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.jaeger]
     gen128Bit = true
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  jaeger:
+    gen128Bit: true
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.jaeger.gen128Bit
@@ -117,12 +152,18 @@ This can be either:
 - `jaeger`, jaeger's default trace header.
 - `b3`, compatible with OpenZipkin
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.jaeger]
     propagation = "jaeger"
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  jaeger:
+    propagation: jaeger
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.jaeger.propagation="jaeger"
@@ -135,12 +176,18 @@ _Required, Default="uber-trace-id"_
 Trace Context Header Name is the http header name used to propagate tracing context.
 This must be in lower-case to avoid mismatches when decoding incoming headers.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.jaeger]
     traceContextHeaderName = "uber-trace-id"
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  jaeger:
+    traceContextHeaderName: uber-trace-id
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.jaeger.traceContextHeaderName="uber-trace-id"
@@ -153,12 +200,19 @@ _Optional, Default=""_
 
 Collector Endpoint instructs reporter to send spans to jaeger-collector at this URL.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.jaeger.collector]
     endpoint = "http://127.0.0.1:14268/api/traces?format=jaeger.thrift"
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  jaeger:
+    collector:
+        endpoint: http://127.0.0.1:14268/api/traces?format=jaeger.thrift
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.jaeger.collector.endpoint="http://127.0.0.1:14268/api/traces?format=jaeger.thrift"
@@ -170,12 +224,19 @@ _Optional, Default=""_
 
 User instructs reporter to include a user for basic http authentication when sending spans to jaeger-collector.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.jaeger.collector]
     user = "my-user"
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  jaeger:
+    collector:
+        user: my-user
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.jaeger.collector.user="my-user"
@@ -187,12 +248,19 @@ _Optional, Default=""_
 
 Password instructs reporter to include a password for basic http authentication when sending spans to jaeger-collector.
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [tracing]
   [tracing.jaeger.collector]
     password = "my-password"
 ```
 
+```yaml tab="File (YAML)"
+tracing:
+  jaeger:
+    collector:
+        password: my-password
+```
+
 ```bash tab="CLI"
 --tracing
 --tracing.jaeger.collector.password="my-password"