feat: add a title and a description for trace segments (#332)

src/locales/lang/en.ts

@@ -382,5 +382,7 @@ const msg = {
   addExpressions: "Add Expressions",
   expressions: "Expression",
   unhealthyExpression: "Unhealthy Expression",
+  traceDesc:
+    "The trace segment serves as a representation of a trace portion executed within one single OS process, such as a JVM. It comprises a collection of spans, typically associated with and collected from a single request or execution context.",
 };
 export default msg;

src/locales/lang/es.ts

@@ -382,5 +382,7 @@ const msg = {
   addExpressions: "Add Expressions",
   expressions: "Expression",
   unhealthyExpression: "Unhealthy Expression",
+  traceDesc:
+    "The trace segment serves as a representation of a trace portion executed within one single OS process, such as a JVM. It comprises a collection of spans, typically associated with and collected from a single request or execution context.",
 };
 export default msg;

src/locales/lang/zh.ts

@@ -380,5 +380,7 @@ const msg = {
   addExpressions: "添加表达式",
   expressions: "表达式",
   unhealthyExpression: "非健康表达式",
+  traceDesc:
+    "Trace Segment代表在单一操作系统进程（例如JVM）中执行的追踪部分。它包含了一组跨度（spans），这些跨度通常与单一请求或执行上下文关联。",
 };
 export default msg;