add: new united playurl grpc interface (#642)

grpc_api/bilibili/app/playerunite/ugcanymodel/ugcanymodel.proto

@@ -0,0 +1,27 @@
+syntax = "proto3";
+
+package bilibili.app.playerunite.ugcanymodel;
+
+message ButtonStyle {
+    string text = 1;
+    string text_color = 2;
+    string bg_color = 3;
+    string jump_link = 4;
+}
+
+enum PlayLimitCode {
+    PLC_UNKNOWN = 0;
+    PLC_NOTPAYED = 1;
+}
+
+message PlayLimit {
+    PlayLimitCode code = 1;
+    string message = 2;
+    string sub_message = 3;
+    ButtonStyle button = 4;
+}
+
+message UGCAnyModel {
+    PlayLimit play_limit = 1;
+}
+