[FR]: Add FIROptions initializer to init it with options from a dictionary instead of a Plist

### Description

We want to change fir options to configure the firebase app, from a dictionary not from a plist.

### API Proposal

FirOptions(_ map: [String: Any]), in case that this map is empty or does not include some keys, include them by default maybe (?)

### Firebase Product(s)

AB Testing, Analytics, App Check, App Distribution, Authentication, Crashlytics, Database, DynamicLinks, Firestore, Functions, In-App Messaging, Installations, Messaging, Performance, Remote Config, Storage