[wg] update requirements check

Makefile

@@ -13,7 +13,9 @@ include wg.mk
 .PHONY: check
 check: ## Check you have all dependencies
 	@command -v graph-easy >/dev/null || { echo "Install perl-graph-easy" && exit 1 ;}
+	@command -v ansible >/dev/null || { echo "Install ansible" && exit 1 ;}
 	@command -v recsel >/dev/null || { echo "Install recutils" && exit 1 ;}
+	@command -v wg >/dev/null || { echo "Install wireguard" && exit 1 ;}
 	@command -v lowdown >/dev/null || { echo "Install lowdown" && exit 1 ;}
 	@echo "All dependencies installed"