增加downloadFile插件

show-client/assets/mobile-action.xml

@@ -222,4 +222,6 @@
	<action name="isSupportFingerprintAuthentication" class="com.ai.ipu.mobile.common.fingerprint.FingerPrint" method="isSupportFingerprintAuthentication"/>
	<action name="fingerprintAuthentication" class="com.ai.ipu.mobile.common.fingerprint.FingerPrint" method="fingerprintAuthentication"/>
	<!-- 根据url下载文件 -->
	<action name="downloadFile" class="com.ai.ipu.mobile.plugin.DownloadFile" method="downloadFile" />
</actions>