Add to be FAQ about submission letter

[AhlOct]

do need a letter of submission from the campus to join this internship?

[empeje]

No need. Follow the first steps, and we'll process your internship application.

[empeje]

For the FAQ, please create PR to update it on our page.

Including these issues as well.

• Add to be FAQ about college student who can join #106
• Adding social logo #105
• Add to be FAQ about guidance procedure #104