F.E.I.S/src/meson.build

sources += files(
    'chart.cpp',
    'chart_with_history.cpp',
    'editor_state_actions.cpp',
    'editor_state.cpp',
    'fumen.cpp',
    'history_actions.cpp',
    'ln_marker.cpp',
    'main.cpp',
    'marker.cpp',
    'note.cpp',
    'notes_clipboard.cpp',
    'notification.cpp',
    'notifications_queue.cpp',
    'precise_music.cpp',
    'preferences.cpp',
    'sound_effect.cpp',
    'toolbox.cpp',
)

subdir('imgui')
subdir('widgets')