[ACS-5839] Make contextRoot optional as per documentation

src/alfrescoApiConfig.ts

@@ -24,7 +24,7 @@ export class AlfrescoApiConfig {
     hostOauth2?: string;
     authType?: string = 'BASIC';
     oauth2?: Oauth2Config;
-    contextRoot = 'alfresco';
+    contextRoot? = 'alfresco';
     tenant?: string = '-default-';
     contextRootBpm?: string = 'activiti-app';
     domainPrefix?: string = '';

src/api-clients/http-client.interface.ts

@@ -37,7 +37,7 @@ export interface RequestOptions {
 }
 
 export interface HttpClientConfig {
-    contextRoot: string;
+    contextRoot?: string;
     host?: string; // Should be mandatory but can't make it because of AlfrescoApiConfig incompatibility 😕
     servicePath?: string; // Should be mandatory but can't make it because of AlfrescoApiConfig incompatibility 😕
 }