Removed ftxui from github pushing and added it to gitignore

CMakeLists.txt

@@ -1,24 +0,0 @@
-cmake_minimum_required(VERSION 3.16)
-project(PortfolioApp LANGUAGES CXX)
-
-set(CMAKE_CXX_STANDARD 20)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-set(CMAKE_CXX_EXTENSIONS OFF)
-
-# Add local FTXUI directory
-add_subdirectory(ftxui)
-
-# Add your source files (adjust paths if needed)
-add_executable(portfolio
-    main.cpp
-    content.cpp
-)
-
-# Link with FTXUI
-target_link_libraries(portfolio
-    PRIVATE
-    ftxui::screen
-    ftxui::dom
-    ftxui::component
-)
-