ref: Move to gorilla mux

Go's default mux is very limited while comes to overlapping routes.
For example "/{name}/about" conflicts with "/static/" and it throws a
panic.

In the case I would like static to have precedence over everything else.

feat: Add initial git item page

feat: Add navbar selection

feat: Wraps handler into its own package

Although this creates more complex folder structure will allow in the
feature for a easier testing of those given handlers.

feat: Add slug to build

ref: Increase font size

feat: Add about page

feat: Simplify listing

feat: Add actual git listing implementation

feat: Add bare bones project list

feat: Add utils

ui: Add navbar

feat: Add chroma support

feat: Add qtc templating

feat: Add bootsrap scss

feat: Close worker on error

If a worker error the application, as a whole, is terminadated.

feat: Add config parsing

feat: Initial http server code