Small examples for game development in Qt, OpenGL, Box2D, Bullet Physics, and OpenAL

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Critical problems for WebAssembly

• Background color of parent window is changed to black: https://bugreports.qt.io/browse/QTBUG-120651
• emscripten_request_pointerlock() returns EMSCRIPTEN_RESULT_UNKNOWN_TARGET: https://bugreports.qt.io/browse/QTBUG-126513
• Dealing with keyboard layout for input on Qt WebAssembly: https://forum.qt.io/post/790688