[WIP] add instructions to README.md (#4)
[WIP] add instructions to README.md (#4)

* add nextjs instructions to README.md

* add nuxt integration guide

* Apply suggestions from David

Co-authored-by: David East <e74e6bf252b39be65585ca35e7ef4dc2eae375db@users.noreply.github.com>

* Nuxt --> Angular

* mark nuxt as coming soon

* more Angular

* remove TODO

Co-authored-by: David East <e74e6bf252b39be65585ca35e7ef4dc2eae375db@users.noreply.github.com>
FirebaseExtended/firebase-framework-tools,FirebaseExtended/firebase-framework-tools,FirebaseExtended/firebase-framework-tools