Add chat mute rpc endpoint

moderation.proto

@@ -4,8 +4,11 @@ option go_package = "git.itzana.me/strafesnet/go-grpc/moderation";
 
 package moderation;
 
+import "google/protobuf/struct.proto";
+
 service ModerationService {
   rpc SetState(SetStateRequest) returns (Null);
+  rpc SetMuted(SetMuteRequest) returns (Null);
 }
 
 message Null {}
@@ -16,3 +19,13 @@ message SetStateRequest {
   int32 ReasonID = 3;
   int32 StateID = 4;
 }
+
+message SetMuteRequest {
+  int64 UserID = 1;
+  int64 ModeratorID = 2;
+  bool Muted = 3;
+  optional int64 Duration = 4;
+  optional int32 ReasonID = 5;
+  optional string ReasonText = 6;
+  optional google.protobuf.Struct Metadata = 7;
+}