* check in initial version of linux build documents
* update en/build/linux.md
* remove line break
* update build doc
* check in build documents in Chinese
* reorg chapter
* update build documents for windows platform
* update zh_cn/windows.md
* simplify build commands
* update build docs
* update build.md
* update
* reorg the chapters
* refine words
* correct the commands for windows build
* correct build commands for windows
* Trim Trailing Whitespace
* use prebuilt cmake instead of building it from source
* move <br> bewtween <pre><code> and </code></pre> cuz it isn't rendered correctly in github
* add build chapter about torchscript
* rebase master and update android
* fix lint
* correct the command of building ppl.cv