Create aro picture requests routes

[z4ab]

Purpose

Closes #362 .

New Changes

Added routes as described in issue.

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

• Return the download operation
• Use offset param in get /
• Use proper status codes

[github-actions]

Pull reviewers stats

Stats of the last 120 days for UWOrbital:

	User	Total reviews	Time to review	Total comments
	Adityya-K	22	19h 7m	89
	kepler452b123	17	4d 10h 21m	69
	camspec	9	13h 42m	51
	Yarik-Popov	8	1d 4h 42m	65
	Navtajh04	6	5d 1h 23m	68

^{⚡️ Pull request stats}

[z4ab]

@kepler452b123 I've got some questions about this. How do I get a download link? and what do I do with the offset param mentioned in the issue?