Add environment files to aro and MCC frontend

[c4bae]

Purpose

Closes #343.
Explain the purpose of the PR here if it doesn't match the linked issue. Be sure to add a comment in the linked issue explaining the changes.

New Changes

Explain new changes below in short bullet points.

• Created .env files for aro and MCC frontend

Testing

Explain tests that you ran to verify code functionality.

• I have unit-tested this PR. Otherwise, explain why it cannot be unit-tested.
• I have tested this PR on a board if the code will run on a board (Only required for firmware developers).
• I have tested this PR by running the ARO website (Only required if the code will impact the ARO website).
• I have tested this PR by running the MCC website (Only required if the code will impact the MCC website).
• I have included screenshots of the tests performed below.

Outstanding Changes

If there are non-critical changes (i.e. additional features) that can be made to this feature in the future, indicate them here.

• Values for each .env file must be filled
• More urls and keys to be added
• Divide .env into .env.development/.env.production?

[github-actions]

Pull reviewers stats

Stats of the last 120 days for UWOrbital:

	User	Total reviews	Time to review	Total comments
	Adityya-K	21	18h 15m	74
	kepler452b123	15	6d 14h 19m	53
	Yarik-Popov	10	1d 17h 44m	69
	Navtajh04	7	5d 1h 23m	73
	camspec	6	20h 54m	45
	altrup	1	1d 3h 52m	1

^{⚡️ Pull request stats}

[Adityya-K]

LGTM!

[Adityya-K]

Since the frontend is changing we can't do much with these .env files but I'll merge them in since they are good practice to have!