V0.2.2

• Add dark theme(from https://github.com/ColinDuquesnoy/QDarkStyleSheet)
• Add single orientation pinch gesture on plotter
• Add some useful snippets for control panel(in demo/Control/)
• Support dragging config file to control panel

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• 添加暗黑主题(源于https://github.com/ColinDuquesnoy/QDarkStyleSheet)
• 绘图面板支持单向缩放
• 添加常用控制命令(位于demo/Control/文件夹下)
• 支持拖拽配置文件到控制面板

Android ABIs: armeabi-v7a, arm64-v8a, x86, x86_64