Update index.md

翻译初稿
Update languages.md

翻译初稿
Update languages.md
Update screens.md

翻译初稿
Update platforms.md

翻译初稿
Merge pull request #20 from jdneo/gh-pages

add beam-files
Merge pull request #21 from Lin-H/gh-pages

兼容不同的设备
Update README.
Compile Book
Merge pull request #1 from kesenhoo/gh-pages

合并翻译
修改index中的链接错误

修改index中的链接错误
Merge pull request #22 from Lin-H/gh-pages

修改index中的链接错误
Update README - "load data at background" is claimed by kesenhoo