Update existing service provider setup for testnet2
Part of [Service Provider Setup](https://www.notion.so/Service-provider-setup-a09e2207e1f34f3a847f7ce9713b7ac5) and
Add instructions to:
- Setup a new service provider
- Update existing service provider setup for testnet2
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Part of Service Provider Setup and
Add instructions to:
0ec4a37a39to52dfef9f45