Add request more info feature as an admin

[perryzjc]

Pivotal Tracker Link

This is basically like 3 stories in one branch, so... yeah. But here is the original story:

Other pivotal tracker links:
Pivotal Tracker Link2
Pivotal Tracker Link3

What this PR does:

Summary of relevant changes:

1. Added a request more info button for admin
2. Added rspec test and cucumber test for this new feature
3. Added a request more info email template
4. Added a new field for liquid engine: request_reason
5. Fix relevant naming for reason

This pull request fixes|implements (pick one...) implements.

Include screenshots, videos, etc.

Who authored this PR?

1. Perry (Jingchao) Zhong
2. Razvan Turcu (Raz)

How should this PR be tested?

• What do the specs/features test?
  • Test email content correctness
  • Test user workflow of requesting more info as an admin
• Are there edge cases to watch out for?
  No.

Are there any complications to deploying this?

Yes. We changed the request info email template, and it's a seed data. To see the change, we need to do rails db:seed

Checklist:

• Tag someone for code review (either a coach / team member)
• I have renamed the branch to match PivotTracker's suggested one (necessary for BlueJay) (e.g. michael/12345-add-new-feature Any branch name will do as long as the story ID is there. You can use git checkout -b [new-branch-name])

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.20%. Comparing base (d35ca2c) to head (21718e5).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #284      +/-   ##
==========================================
+ Coverage   81.95%   83.20%   +1.24%     
==========================================
  Files          20       20              
  Lines         654      655       +1     
==========================================
+ Hits          536      545       +9     
+ Misses        118      110       -8     

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[perryzjc]

Misclicked to make the PR to a wrong repo. Correct one should be this: cs169#32