Add post reading time

It uses the reading_time plugin, forked from a gist and tailored for this website
Fix indentation and line-breaks
Add border-top to header

This is a visual thing. Just it.
Reorganize website layouts structure
Add page layout
Fix indentation
Move sobre page to new page structure

It's way better to create pages without folders and index.html files.

Using permalink: /{{page}}/, we can easily build /{{page}}/index.html
without having to develop this way.
Change post footer for author info

Author info may help people know me better after reading a post
Remove author info in the footer

As some info about me can be already read in the top of the page,
author info in the footer seens unecessary.

Also, a link to about page was added to the text about me in the top
of the page.
Add author info style
Remove :active styling from links and buttons

This behaves strangely in mobile, as style flickles between active and hover
Add border-radius to links and buttons

This makes them more "interactable"
Add page descriptions
Add author info to footer of page again
Add secondary button style
Add pagination
Remove about link from about text

It was ugly and cluttering the header
Remove arrow from "read last posts" link
Add missing line-break
Fix consistency in the title

All titles now contains "Hugo Bessa, desenvolvedor front-end e entusiasta de colaboração"