Vim Configuration
Use plug to manage plugins. The installed plugins see plugins.vim, the keybinds see keybindings.vim.
To exec shell ./install.sh to install.
But before installing, you should install the dependencies, such as: python-dev, clang-dev, pkg-config and so on.
The ycm configure file after installed is ~/.vim/datas/ycm_extra_conf.py, you can custom it to configure c/c++ completions.