Implement roll buttons to be more compact

[Pireax]

Description:

Implements compact roll buttons, screenshots below of the new look:

Related issue (if applicable): #427

Checklist:

• The code change is tested and works locally.
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation if necessary
• There is no commented out code in this PR.
• My changes generate no new warnings (check the console)

[datdamnzotz]

@Pireax could you add the buttons to ability scores as well - something like:

fair number of spells and contests that use raw modifiers

[Pireax]

Good one, I'll take a look

[datdamnzotz]

Waiting on Roll buttons