Refactor chat system: Introduce ChatRoom and ChatUser classes

- Created ChatRoom class to manage chat room functionalities, including user management, message handling, and game mechanics.
- Developed ChatUser class to represent individual users, handling user-specific actions and interactions within chat rooms.
- Implemented a Config class for loading configuration settings from a JSON file.
- Established a Server class to manage connections, handle requests, and facilitate communication between users and chat rooms.
- Introduced a Database class for database interactions, utilizing PostgreSQL for user and room data management.
- Added utility functions in the Base class for JSON handling and socket communication.
- Created Object classes for Room and User to encapsulate their properties and behaviors.
- Updated main function to initialize server and load chat rooms from configuration.

CMakeLists.txt

@@ -4,6 +4,17 @@ project(YourChat VERSION 0.1)
 
 set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
-include_directories(${PROJECT_SOURCE_DIR})
-	add_executable(yourchat main.cpp base.cpp config.cpp server.cpp chat_room.cpp tools.cpp chat_user.cpp database.cpp)
+include_directories(${PROJECT_SOURCE_DIR}/src)
+	add_executable(yourchat
+		src/main.cpp
+		src/lib/base.cpp
+		src/core/config.cpp
+		src/core/server.cpp
+		src/core/chat_room.cpp
+		src/lib/tools.cpp
+		src/core/chat_user.cpp
+		src/lib/database.cpp
+		src/object/user.cpp
+		src/object/room.cpp
+	)
 	target_link_libraries(yourchat jsoncpp pthread pqxx)