MixIO 增加 服务质量下拉项，文件读写增加下拉内容

common/msg/blockly/en.js

@@ -3978,4 +3978,12 @@ En.MIXLY_MICROPHONE_AMPLIFICATION = 'microphone amplification';
 En.MIXLY_MUSIC_VOLUME_SET = 'set music volume';
 En.MIXLY_HOTSPOT= 'hot spot';
 En.MIXLY_NAME = 'name';
+En.MIXLY_Service_quality_display= "service quality",
+En.MIXLY_AT_MOST_ONCE= "At most once",
+En.MIXLY_AT_LEAST_ONCE= "At least once",
+En.MIXLY_ONLY_ONCE= "Only once",
+En.MIXLY_ADD= "Append",
+En.MIXLY_R_W= "Readable and Writable, Error if File Does Not Exist",
+En.MIXLY_W_R= "Readable and Writable, Create if File Does Not Exist",
+En.MIXLY_A_R= "Appendable and Writable, Create if File Does Not Exist"
 })();