Update .gitignore

.gitignore

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+# C++ objects and libs
+
+*.slo
+*.lo
+*.o
+*.a
+*.la
+*.lai
+*.so
+*.dll
+*.dylib
+
+# Python
+
+__pycache__
+
+# Qt-es
+
+/.qmake.cache
+/.qmake.stash
+*.pro.user
+*.pro.user.*
+*.moc
+moc_*.cpp
+qrc_*.cpp
+ui_*.h
+Makefile*
+*-build-*
+*-build
+/build
+
+# QtCreator
+
+*.autosave
+qtcreator-build
+CMakeLists.txt.user
+
+# KDevelop
+*.kdev4
+
+# PyCharm
+.idea
+
+# Visual Studio Code
+.vscode
+
+# Backup files
+*~
+
+.gitmodules
+AUTHORS
+CMakeLists.txt
+CMakeModules/
+CalamaresAddBrandingSubdirectory.cmake
+CalamaresAddLibrary.cmake
+CalamaresAddModuleSubdirectory.cmake
+CalamaresAddPlugin.cmake
+CalamaresBuildTreeSettings.cmake.in
+CalamaresConfig.cmake.in
+CalamaresConfigVersion.cmake.in
+CalamaresUse.cmake.in
+LICENSE
+README.md
+calamares.desktop
+ci/
+cmake_uninstall.cmake.in
+com.github.calamares.calamares.policy
+data/
+lang/
+settings.conf
+src/
+thirdparty/