feat: add trial client service

[MattScarthSaunders]

https://github.com/ubio/squad-automation-cloud/issues/1308

Edit: updated and simplified to only include methods for use in other services (redis methods, getting + incrementing data)

Example token:

{
    clientId: string;
    clientName: string;
    serviceRestrictions: [
        { 
            serviceName: string;
            requestLimit: number;
        },
        ...
    ]
    

Example trial object (stored in redis, keyed like cache:framework:trialClient:<client_id>:<serviceName>):

{
    requestCount: number;
}

[danielolaviobr]