Fix pkgdown workflow errors

Author: User

DESCRIPTION

@@ -10,7 +10,8 @@ Description: Provides an R interface to the OMOPHub API for accessing
     concept mappings with automatic pagination and rate limiting.
 License: MIT + file LICENSE
 URL: https://github.com/omopHub/omophub-R,
-    https://docs.omophub.com
+    https://docs.omophub.com,
+    https://omophub.github.io/omophub-R
 BugReports: https://github.com/omopHub/omophub-R/issues
 Depends: R (>= 4.1)
 Imports:

_pkgdown.yml

@@ -21,6 +21,7 @@ reference:
       - OMOPHubClient
       - get_api_key
       - set_api_key
+      - has_api_key
 
   - title: Response Classes
     desc: S3 classes for API responses
@@ -34,12 +35,6 @@ articles:
     contents:
       - getting-started
 
-  - title: Advanced Usage
-    contents:
-      - authentication
-      - concepts
-      - pagination
-
 authors:
   OMOPHub Team:
     href: https://omophub.com