Added details for the CS rule (#32808)

* Added details for the CS rule

* Add related link

Author: IEvangelist

docs/fundamentals/code-analysis/quality-rules/ca2254.md

@@ -1,7 +1,7 @@
 ---
 title: "CA2254: Template should be a static expression"
 description: "Learn about code analysis rule CA2254: Template should be a static expression"
-ms.date: 01/19/2022
+ms.date: 11/30/2022
 ms.topic: reference
 f1_keywords:
 - CA2254
@@ -21,7 +21,7 @@ author: Youssef1313
 
 ## Cause
 
-A message template passed to a logger API is not constant.
+A message template passed to a logger API is not constant. This occurs when the template passed uses either string concatenation or interpolation. Instead, the template should be a constant value that represents the log message in _message template format_. For example: `"User {User} logged in from {Address}"`. For more information, see [Log message template formatting](../../../core/extensions/logging.md#log-message-template-formatting).
 
 ## Rule description