docs: add description for new plugin option "includeOpenApiIgnored"#486

ymc9 merged 2 commits intozenstackhq:mainzenstackhq/zenstack-docs:mainfrom

lenageorgescu-dsl:openapi-plugin-includeOpenApiIgnoredlenageorgescu-dsl/zenstack-docs:openapi-plugin-includeOpenApiIgnoredCopy head branch name to clipboard