Update main structure of the page

newly designed page and starting style the navigation bar
Switch SCSS to Less based

I finally decided to choose Less to write CSS because bootstrap is
based on Less originally.
Add module in works
Add social links
First version with no back-ends finished

Create the repository list;
Fix the looking of social media list.
Merge pull request #1 from JennieJi/develop

Release v0.0.1