Refactor CMakefileLists.txt

[antoniovazquezblanco]

• Use file glob to define library target sources
• Move all public headers to an include directory

[antoniovazquezblanco]

I think there is a small issue with this changes. Please do not yet merge :)

[antoniovazquezblanco]

Locally tested! Ready for review :)

[antoniovazquezblanco]

🤘