✨ Add configuration merge service

frontend/bindings/voidraft/internal/models/models.ts

@@ -891,6 +891,11 @@ export class KeyBindingConfig {
  * KeyBindingMetadata 快捷键配置元数据
  */
 export class KeyBindingMetadata {
+    /**
+     * 配置版本
+     */
+    "version": string;
+
     /**
      * 最后更新时间
      */
@@ -898,6 +903,9 @@ export class KeyBindingMetadata {
 
     /** Creates a new KeyBindingMetadata instance. */
     constructor($$source: Partial<KeyBindingMetadata> = {}) {
+        if (!("version" in $$source)) {
+            this["version"] = "";
+        }
         if (!("lastUpdated" in $$source)) {
             this["lastUpdated"] = "";
         }