增加添加默认设备头像

src/main/java/com/onekeycall/videotablet/config/FilePath.java

@@ -0,0 +1,7 @@
+package com.onekeycall.videotablet.config;
+
+public class FilePath {
+    public static final String TABLET_PATH = "tablet";
+    public static final String AVATAR_PATH = "avatar";
+
+}