* add helper functions for generating Open API path/query params with defaults
* tweak Open API schema
- make description optional
- allow null example + allowEmptyValue (for boolean query params)
* convert examples --> openApi in amo
* convert examples --> openApi in ansible
* convert examples --> openApi in appveyor build/job
* add re-usable Open API query param for test-results badges
we can use these for all the 'test results' badges
* convert examples --> openApi in appveyor tests
* DRY up existing dynamic/endpoint param definitions
* DRY up queryParam
* allow enum param in serviceDefinition schema
* improve misleading param name
* check route and openApi are consistent on service load
* fix mistake in ansible role route
* documentation --> description
* add pathParams and queryParams helpers +docstrings
* give everything a search-friendly summary, check for duplicate summary
* prettier fixup
57c2ba0d68