feat(oas): adds unknown parameters to track as components (#140)

Co-authored-by: Ed Vinyard <ed.vinyard+github@gmail.com>

Author: Daniel A. White

src/http-spec.ts

@@ -44,6 +44,12 @@ export interface IBundledHttpService extends Omit<IHttpService, 'securitySchemes
     query: (IComponentNode & (IHttpQueryParam<true> | Reference))[];
     header: (IComponentNode & (IHttpHeaderParam<true> | Reference))[];
     cookie: (IComponentNode & (IHttpCookieParam<true> | Reference))[];
+    /** 
+     * component parameters that are only references to external/unavailable
+     * parameter definitions; parameters whose definitions are available
+     * will always be found in path, query, header, or cookie.
+     */
+    unknownParameters: (IComponentNode & Reference)[];
     examples: (IComponentNode & (INodeExample | INodeExternalExample | Reference))[];
     requestBodies: (IComponentNode & (IHttpOperationRequestBody<true> | Reference))[];
     securitySchemes: (IComponentNode & (HttpSecurityScheme | Reference))[];