* Read path, main API
* Define record field for incoming requests
* Refactor several alerting specific validators into two paths
* Refactor validateCondition actually contain all the condition validation logic
* Move condition validation inside rule path
* Validators for recording rules
* Wire feature flag through to validators
* Test for accepting a valid recording rule
* Tests for negative case, no UID
* Test for ignoring alerting fields
* Build conditions based on recording rules as well
* Regenerate swagger docs
* Fix CRUD test to cover the right thing
* Re-generate swagger docs with backdated v0.30.2 version
* Regenerate base spec
* Regenerate ngalert specs
* Regenerate top level specs
* Comment and rename
* Return struct instead of modifying ref