Add breakdown of issues detected

[Ben Sayers]

In addition to the number of errors and warnings detected provide a breakdown of the types of issues detected.

For example

Pact file "test/e2e/fixtures/broken-consumer-pact.json" is not compatible with swagger file "test/e2e/fixtures/provider-spec.json"

6 error(s)
Request Body: 1
Request Path or Method: 2
Response Body: 1
Response Status Code: 2

3 warning(s)
Array Not Supported: 1
Response Header: 1
Unused Swagger Definition: 1

[Ben Sayers]

Here is a real example of the output:

23 error(s)
    spv.request.path-or-method.unknown: 2
    spv.request.body.incompatible: 1
    spv.response.status.unknown: 1
    spv.response.body.incompatible: 1
    spv.request.header.incompatible: 13
    spv.request.query.incompatible: 1
    spv.request.accept.incompatible: 1
    spv.request.content-type.incompatible: 1
    spv.response.content-type.incompatible: 1
    spv.request.authorization.missing: 1
0 warning(s)

[Ben Sayers]

feat: add breakdown of issues detected

Close #39

→ <<cset 5c5075c7d93c>>