Address Feedback Round 1

* Adds the new options to the maven plugin README.md.

modules/openapi-generator-maven-plugin/README.md

@@ -54,6 +54,8 @@ mvn clean compile
 | `gitHost` | `openapi.generator.maven.plugin.gitHost` | The git host, e.g. gitlab.com
 | `gitUserId` |  `openapi.generator.maven.plugin.gitUserId` | sets git information of the project
 | `gitRepoId` | `openapi.generator.maven.plugin.gitRepoId` | sets the repo ID (e.g. openapi-generator)
+| `collapsedSpec` | `openapi.generator.maven.plugin.collapsedSpec` | sets the path to the collapsed single-file representation of the OpenAPI spec
+| `includeCollapsedSpecInArtifacts` | `openapi.generator.maven.plugin.publishCollapsedSpec` | includes the collapsed spec in the Maven artifacts (`false` by default)
 | `templateDirectory` |  `openapi.generator.maven.plugin.templateDirectory` | directory with mustache templates
 | `templateResourcePath` |  `openapi.generator.maven.plugin.templateResourcePath` | directory with mustache templates via resource path. This option will overwrite any option defined in `templateDirectory`.
 | `engine` | `openapi.generator.maven.plugin.engine` | The name of templating engine to use, "mustache" (default) or "handlebars" (beta)