[Landing] Create "Become Volunteer" stepper form

[unrevised6419]

Step 1: https://www.figma.com/file/x21w7ropzdx1mKnhkylYr9/Landing_Voluntar.md?node-id=515%3A810
Step 2: https://www.figma.com/file/x21w7ropzdx1mKnhkylYr9/Landing_Voluntar.md?node-id=515%3A748
Step 3: https://www.figma.com/file/x21w7ropzdx1mKnhkylYr9/Landing_Voluntar.md?node-id=515%3A748

[agressive-nicoleta]

Assign to me

[unrevised6419]

🚀

ps: I have a deja'vu, haven't we already assigned this issue to you? 😄

[agressive-nicoleta]

Kind of, but not officially )