Adapter for `firebaseremoteconfig.googleapis.com`

[baltpeter]

Endpoint URL: https://firebaseremoteconfig.googleapis.com/v1/projects/*/namespaces/firebase:fetch

Sample requests:

• informed-consent,249697
• monkey-july-2023,118033
• monkey-april-2024,2629
• worrying-confessions,40016
• do-they-track,58615

[baltpeter]

Official documentation:

• https://firebase.google.com/docs/remote-config
• https://firebase.google.com/docs/reference/remote-config/rest
• https://console.cloud.google.com/marketplace/product/google/firebaseremoteconfig.googleapis.com