add avoidVolatileChanges configuration (#2614)

Signed-off-by: Shi Chen <chenshi@microsoft.com>

Author: CsCherrYY

README.md

@@ -208,6 +208,7 @@ The following settings are supported:
 
 New in 1.10.0
 * `java.import.maven.offline.enabled` : Enable/disable the Maven offline mode. Defaults to `false`.
+* `java.codeAction.sortMembers.avoidVolatileChanges`: Reordering of fields, enum constants, and initializers can result in semantic and runtime changes due to different initialization and persistence order. This setting prevents this from occurring. Defaults to `true`.
 
 Semantic Highlighting
 ===============

package.json

@@ -916,6 +916,12 @@
           "default": true,
           "description": "Whether to load lombok processors from project classpath",
           "scope": "window"
+        },
+        "java.codeAction.sortMembers.avoidVolatileChanges": {
+          "type": "boolean",
+          "default": true,
+          "description": "Reordering of fields, enum constants, and initializers can result in semantic and runtime changes due to different initialization and persistence order. This setting prevents this from occurring.",
+          "scope": "window"
         }
       }
     },