Offer easier way to add all providers

[stefandesu]

Currently, all providers are exported together with the other stuff, so if you need all providers, there's currently no easy way to do this. Ideally, you could do something like this:

import { cdk } from "cocoda-sdk"
import * as providers from "cocoda-sdk/providers"
Object.values(providers).forEach(provider => cdk.addProvider(provider))

[stefandesu]

Made it even easier:

import { cdk, addAllProviders } from "cocoda-sdk"
addAllProviders()

👍