init project
first version
    finished:
        structure;
        finished sorting methods: bogo, bubble, etc.
    TODO:
        fix structure;
        methods to add: merge, quick, shell, etc.
fix README.md
    use normal paragraph instead of code block
add demo link in README.md
fix introduction in README.md
update style
Merge branch 'master' into gh-pages

Conflicts:
	README.md
	css/main.css
	index.html
	js/main.js
	js/svgBar.js