Add comment on install --force

Author: davesnx

Makefile

@@ -59,6 +59,9 @@ format-check: ## Checks if format is correct
 .PHONY: install
 install: ## Update the package dependencies when new deps are added to dune-project
 	@opam install . --deps-only --with-test
+# --force is needed because we are installing react@19 while other dependencies
+# require react@18. It's a good workaround to bypass the npm validation error
+# and test the rc versions of React
 	@npm install --force
 
 .PHONY: init