How to Make Addon Domain that was Installed into a Subdirectory the Home Page

Hello,

The WordPress installation I am working with got installed into a subdirectory with the website address being similar to http://mfg.mainsiteurl.com/blogs/ . The main site homepage goes to a Jekyll created homepage: http://mfg.mainsiteurl.com/ with the installation of WordPress linked using Nginx as well as another non-WordPress app linked from there and the WordPress installation as well. I want to make http://mfg.mainsiteurl.com/blogs/ a static homepage from a content page link http://mfg.mainsiteurl.com/blogs/orgs for example and not clear how to accomplish this as I have tried playing with links on Reading Settings which gives me too many redirects errors when trying to move that content page to become the home page: http://mfg.mainsiteurl.com/blogs/ (there will be multiple organizations linked here and each have their own blog spot within the same installation segmented by post and tags) and cannot figure out how to make another link the blog post page as well.

Please let me know how you would do this.

Thanks in advance!