Link to Fervo_Project_Cape-4 documentation in description (TODO to update to NREL link once merged into main repo)

Author: softwareengineerprogrammer

tests/examples/Fervo_Project_Cape-4.txt

@@ -1,6 +1,8 @@
 # Case Study: 500 MWe EGS Project Modeled on Fervo Cape Station
 # 500 MWe EGS Case Study Modeled on Fervo Cape Station after Fervo's April 2025 upsizing announcement:
 #   https://fervoenergy.com/fervo-energy-announces-31-mw-power-purchase-agreement-with-shell-energy/
+# See https://softwareengineerprogrammer.github.io/GEOPHIRES/Fervo_Project_Cape-4.html
+#   for further documentation and discussion.
 
 # *** ECONOMIC/FINANCIAL PARAMETERS ***
 # *************************************