Fix API documentation link in README

Updated API link to point to the new documentation site.

Author: mariaob1201

README.md

@@ -3,7 +3,7 @@
 This API provides access to crop disease models developed by the University of wisconesin Madison experts in plant pathology. The API uses a FastAPI-based backend and integrates weather station data from public and private sources, including mesonet weather stations and IBM Environmental Intelligence. It also supports querying Wisconet by a wrapper built in top of it in a custom way. 
 
 
-[API](https://ag-forecasting-api.services.dsi.wisc.edu/)
+[API](https://connect.doit.wisc.edu/ag_forecasting_api/docs)
 
 Table of Contents
 
@@ -207,4 +207,4 @@ This project is licensed under the MIT License - see the LICENSE file for detail
 - The models presented are based on plant pathology research in the University of Madison Wisconsin, paper: [Nature Scientific Reports, 2023](https://www.nature.com/articles/s41598-023-44338-6)
 - This software was created by the [Data Science Institute](https://datascience.wisc.edu) at the [University of Wisconsin-Madison](https://www.wisc.edu)
 
-Mantainer: Maria Oros, maria.oros@wisc.edu
+Mantainer: Maria Oros, maria.oros@wisc.edu