- update: character service grpc protocol additions for create, delete and get character with stubs

proto/character.proto

@@ -4,6 +4,9 @@ package character;
 
 service CharacterService {
     rpc GetCharacterList(GetCharacterListRequest) returns (GetCharacterListResponse);
+    rpc CreateCharacter(CreateCharacterRequest) returns (Empty);
+    rpc DeleteCharacter(DeleteCharacterRequest) returns (Empty);
+    rpc GetCharacter(GetCharacterRequest) returns (Empty);
 }
 
 message GetCharacterListRequest {
@@ -14,6 +17,19 @@ message GetCharacterListResponse {
     repeated Character characters = 1;
 }
 
+message CreateCharacterRequest {
+    string user_id = 1;
+}
+
+message DeleteCharacterRequest {
+    string user_id = 1;
+    string char_id = 2;
+}
+
+message GetCharacterRequest {
+    string user_id = 1;
+}
+
 message Character {
     string character_id = 1; // Unique ID for the character
     string name = 2;         // Name of the character
@@ -32,4 +48,6 @@ message EquippedItem {
     int32 gem_option = 2;
     int32 socket = 3;
     int32 grade = 4;
-}
+}
+
+message Empty {}