fix url

Author: lsbardel

docs/_config.yml

@@ -16,9 +16,9 @@ latex:
 
 # Information about where the book exists on the web
 repository:
-  url: https://github.com/executablebooks/jupyter-book  # Online location of your book
+  url: https://github.com/quantmind/ccy  # Online location of your book
   path_to_book: docs  # Optional path to your book, relative to the repository root
-  branch: master  # Which branch of the repository should be used when creating links (optional)
+  branch: main  # Which branch of the repository should be used when creating links (optional)
 
 # Add GitHub buttons to your book
 # See https://jupyterbook.org/customize/config.html#add-a-link-to-your-repository