add code and pimp first page
Merge pull request #110 from SergioCrisostomo/snippets

pimp first page
remove unused dep
font change

Change font to `roboto` after feedback in ML
Fix space under nav-menu (heading and logo)
Remove a un-used dep in package.json
lost in space

somehow these were not in my last pr that was merged
- missing padding for icons inside h3
- code typo