Lazarus OpenAPI support.

For help and instructions about this package, see
[https://wiki.freepascal.org/Lazarus-openapi](https://wiki.freepascal.org/Lazarus-openapi)

When compiling with FPC 3.2.2, copy the fcl-jsonschema and fcl-openapi files
to directory ver_3_2_2.

See also the instructions at [https://wiki.freepascal.org/Lazarus-openapi](https://wiki.freepascal.org/Lazarus-openapi)