Just check on npmjs for this package. See the link.
@nuxtjs/firebase package should be available via npm
@nuxtjs/firebase package doesen't exist at all!
The installation instruction is very unclear too. We should install
@nuxtjs/firebase but add
@nuxtjs/firebird to the modules and in the modules config there is a
When this module is unsupported or will be abandoned so please state it clearly.