Create separate types for education and employment to fix the issue
where unnecessary fields are created under both education and employment
when a new CV is created.
- Use go generate and a third party tool called jsonschemagen to
auto-generate the CV data type from the JSON schema.
- Update the schema by changing number to integer to ensure that the
integers are set to the correct type.
- Refactor some code.
Improve spruce-docgen by improving how additionalProperties is
unmarshalled. If the value is either true or false then
AdditionalProperties is set to the default schema value.
Update getType to return discovered maps.
Update refType to return UNKNOWN if the ref string is invalid.
Regenerated docs/schema.asciidoc
