feat(footer): add footer elements

[AaronCGoidel]

create footer at bottom of homepage create footer links create CTAButton for calls to action throughout site

Ticket

Ticket Link

What is changed / added

• add footer component
• add footer link component for consistent layout and style
• add cta button component for consistent use across app
• added temp links and content to footer

Screenshots

[AaronCGoidel]

Add Footer