Switch from `Formik` to `react form hook`

[SamuelQuinones]

After some experimentation, react form hook seems to be a lot cleaner and faster than Formik. At some point I’d like to make the switch.

[SamuelQuinones]

Library links:

• RFH: https://react-hook-form.com/
• Formik: https://formik.org/

[SamuelQuinones]

Relevant Files:

• https://github.com/stream-pi/website/blob/master/src/components/StreamPi/ContactForm.tsx
• https://github.com/stream-pi/website/blob/master/src/pages/contact.tsx
• https://github.com/stream-pi/website/blob/master/src/helpers/ContactHelper.ts

[SamuelQuinones]

Completed by 6310aa6