sync (v1-v3) (thx azzu0,tamilpp25,akioukun)

* Thank you for adding too
`option java_package = "emu.grasscutter.net.proto";`
this makes my life easier.
* including the gc enum name, this is really, really helpful wow

proto/GCGMsgPVEIntention.proto

@@ -0,0 +1,23 @@
+// https://github.com/SlushinPS/beach-simulator
+// Copyright (C) 2023 Slushy Team
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+syntax = "proto3";
+option java_package = "emu.grasscutter.net.proto";
+// Obf: ADPMJBODPGK
+message GCGMsgPVEIntention {
+	uint32 card_guid = 9;
+	repeated uint32 skill_id_list = 3;
+}