Adding documentation for properties (#29382)

* Adding documentation of properties and making some changes to java and js SDK generation

* Reverting the tspconfig change

* fixing formatting

* Fixing typeSpec validation error on build

Author: hamshavathimunibyraiah

package-lock.json

@@ -84,10 +84,10 @@ union StorageSource {
 
 @doc("List of possible additional output formats")
 union AdditionalOutputFileFormat {
-  /** No additional format */
+  @doc("No additional format")
   None: "None",
 
-  /** OpenXmlWord format */
+  @doc("OpenXmlWord format")
   OpenXmlWord: "OpenXmlWord",
 
   string,