- add: ability to refresh the current session

- add: delete type to delete character request
- add: ability to update key in redis
- add: handle alive packet to refresh the session
- fix: delete now actually returns the time remaining correctly
- fix: character list now has the correct time until character deletion

proto/character_db_api.proto

@@ -39,6 +39,7 @@ message CreateCharacterResponse {
 message DeleteCharacterRequest {
     int32 user_id = 1;
     int32 character_id = 2;
+    int32 delete_type = 3;
 }
 
 message DeleteCharacterResponse {
@@ -56,7 +57,8 @@ message Character {
     string position = 9;
     string created_at = 10;
     string updated_at = 11;
-    bool is_active = 12;
+    string deleted_at = 12;
+    bool is_active = 13;
 }
 
 message Empty {}