[APP] Add "Elected" Date

[billimarie]

If appointed, show appointed date (see: #83)

Else, show elected date (must be configured via code + added in data)

[ElijahAhianyo]

hi, first timer here. can i work on this?

[billimarie]

Hi @ElijahAhianyo, go for it! Feel free to comment or email me if you have any issues.

[billimarie]

Hi @ElijahAhianyo, just a heads up: for a separate issue (#83), @hicks2evan submitted a fix for the appointed conditional logic. Feel free to check it out if you'd like inspiration for the election conditional.