增加对serviceTask支持

src/components/bpmnProcessDesigner/package/designer/plugins/palette/CustomPalette.js

@@ -165,6 +165,12 @@ F.prototype.getPaletteEntries = function () {
       'bpmn-icon-user-task',
       translate('Create User Task')
     ),
+    'create.service-task': createAction(
+      'bpmn:ServiceTask',
+      'activity',
+      'bpmn-icon-service',
+      translate('Create Service Task')
+    ),
     'create.data-object': createAction(
       'bpmn:DataObjectReference',
       'data-object',

src/components/bpmnProcessDesigner/package/designer/plugins/palette/paletteProvider.js

@@ -171,6 +171,12 @@ PaletteProvider.prototype.getPaletteEntries = function () {
       'bpmn-icon-user-task',
       translate('Create User Task')
     ),
+    'create.service-task': createAction(
+      'bpmn:ServiceTask',
+      'activity',
+      'bpmn-icon-service',
+      translate('Create Service Task')
+    ),
     'create.data-object': createAction(
       'bpmn:DataObjectReference',
       'data-object',

src/components/bpmnProcessDesigner/package/designer/plugins/translate/zh.js

@@ -56,6 +56,7 @@ export default {
   'Create EndEvent': '创建结束事件',
   'Create Task': '创建任务',
   'Create User Task': '创建用户任务',
+  'Create Service Task': '创建服务任务',
   'Create Gateway': '创建网关',
   'Create DataObjectReference': '创建数据对象',
   'Create DataStoreReference': '创建数据存储',