Adding rln contract deployment script

[stubbsta]

Description:

1. A new docker service was added to deploy a nodejs image
2. A script runs when this service starts which installs foundry
3. The script then clones the waku-rln-contract repo
4. It then compiles the project
5. and then it deploys the contracts

Closes #17

[alrevuelta]

Thanks! Left a comment regarding the contract bytecode.

[alrevuelta]

lgtm!