message: docs(readme): add bearer token information
diff: @@ -260,6 +260,7 @@ pact.verifyPacts({
  | `providerStatesSetupUrl` | false | string | URL to send PUT requests to setup a given provider state |
  | `pactBrokerUsername` | false | string | Username for Pact Broker basic authentication |
  | `pactBrokerPassword` | false | string | Password for Pact Broker basic authentication |
  +| `pactBrokerToken` | false | string | Bearer token for Pact Broker authentication |
  | `publishVerificationResult` | false | boolean | Publish verification result to Broker (_NOTE_: you should only enable this during CI builds) |
  | `customProviderHeaders` | false | array | Header(s) to add to provider state set up and pact verification | | `requests`. eg 'Authorization: Basic cGFjdDpwYWN0'. |
  | `providerVersion` | false | string | Provider version, required to publish verification result to Broker. Optional otherwise. |
  @@ -286,7 +287,8 @@ pact.publishPacts(opts).then(function () {
  | `pactBroker` | true | string | URL of the Pact Broker to publish pacts to. Required. |
  | `consumerVersion` | true | string | A string containing a semver-style version e.g. 1.0.0. Required. |
  | `pactBrokerUsername` | false | string | Username for Pact Broker basic authentication. Optional |
  -| `pactBrokerPassword` | false | string | Password for Pact Broker basic authentication. Optional, |
  +| `pactBrokerPassword` | false | string | Password for Pact Broker basic authentication. Optional |
  +| `pactBrokerToken` | false | string | Bearer token for Pact Broker authentication. Optional |
  | `tags` | false | array | An array of Strings to tag the Pacts being published. Optional |
  ### Pact Broker Deployment Check
  @@ -316,7 +318,8 @@ pact.canDeploy(opts)
  | `to` | false | string | Which tag are you deploying to, Must follow after participant. Optional |
  | `pactBroker` | true | string | URL of the Pact Broker to publish pacts to. Required. |
  | `pactBrokerUsername` | false | string | Username for Pact Broker basic authentication. Optional |
  -| `pactBrokerPassword` | false | string | Password for Pact Broker basic authentication. Optional, |
  +| `pactBrokerPassword` | false | string | Password for Pact Broker basic authentication. Optional |
  +| `pactBrokerToken` | false | string | Bearer token for Pact Broker authentication. Optional |
  | `output` | false | json,table | Specify output to show, json or table. Optional |
  | `verbose` | false | flag | Set logging mode to verbose. Optional |
  | `retryWhileUnknown` | false | number | The number of times to retry while there is an unknown verification result. Optional|
  