Including script and style is very simple, there are two filter you can use
Here an example of code:
I'm a freelance WordPress lovers and developer with the passion of the web performance optimization and clean code.
I started with WordPress in 2007 and from 2013 I release the ItalyStrap theme, at the beginning it was only a starter theme but now is a full theme framework and GPLv2 compatible.
I'm also a developer of Italy Cookie Choices a plugin for the EU Cookie Law
I'm the organizer of the WordPress Meetup in Bologna and the organizer of the WordCamp Bologna.