Match by Age Range Preference

[oliver-pham]

Is your feature request related to a problem? Please describe.

As a user, I want my potential partners to be within the user's preferred age group.

Are there any related issues? Please list all of them.

N/A

Describe the solution you'd like

We need 2 functions in backend/lib/age:

• Calculate a user's age by their date of birth
• Check if two users are in each other's preferred age range

Acceptance criteria

• Potential partners should be in the user's age range preference (inclusive) and vice versa

Describe alternatives you've considered

N/A

Additional context