Style/add tailwind typography and font

Objective:

Add project font and typography to the project.

What has been done:

• Added @next/font lib
• Added tailwind-merge lib
• Added font Manrope to tailwind.config.ts
• Added typography to src/styles/index.css

Additionally:

• changed staging build to production build on vercel

requested review from @AdrianOrlow and @teoMiesiac

assigned to @mateuszmiko

Interesting, didn't know about this feature

lgtm

mentioned in commit 98192169

merged