Init Project

See merge request !1

更新README.md, favicon.ico, CONTRIBUTING.md, index.html, LICENSE.txt, package.json, Rakefile, preview.yml, package-lock.json, js/animframe_polyfill.js, js/application.js, js/bind_polyfill.js, js/classlist_polyfill.js, js/game_manager.js, js/grid.js, js/html_actuator.js, js/keyboard_input_manager.js, js/local_storage_manager.js, js/tile.js, meta/apple-touch-icon.png, meta/apple-touch-startup-image-640x920.png, meta/apple-touch-startup-image-640x1096.png, style/helpers.scss, style/main.css, style/main.scss, .gitignore, .jshintrc
已删除开源任务1.md, 开源任务2.md