Ignore anything except debian directory

.gitignore

@@ -1,24 +1,3 @@
-moc_*.cxx
-qrc_*.cxx
-cmake_install.cmake
-cmake_uninstall.cmake
-Makefile
-CMakeFiles
-CMakeCache.txt
-CPackConfig.cmake
-CPackSourceConfig.cmake
-lib*.so
-lib*.so.*
-ui_*.h
-*.qm
-lxqt-appswitcher/lxqt-appswitcher
-lxqt-desktop/lxqt-desktop
-lxqt-panel/panel/lxqt-panel
-*~
-*.autosave
-*-swp
-CMakeLists.txt.user*
-/build
-nbproject/
-/test
-/.tx
+*
+!/debian
+!/debian/*