Update registrations.md

[olym3labs]

Hacker house registration

Registration

Add your information to the below list to officially participate in the workshop challenge (This is the first mission of the whole workshop)

Emoji	Name	Telegram ID	Github ID	Dorahacks ID	Day 1	Day 2
🧑‍⚖️	ZxStim	zxstim	zxstim	zxstim	y
🧑	Olym3 Labs	@thanhnhaweb3	olym3labs	@olym3labs	y
---	---	---	------	---	---	---

⬆️ Submit your registration by adding your information to the table above and open a pull request. After the request is merged, you will get 10 KLAY airdrop per day for gas.