Add recipe for creating certificates

Makefile

@@ -63,6 +63,20 @@ logs:
 stop:
 	docker-compose down
 
+cert:
+	docker run --rm \
+		--name certbot \
+		-p 443:443 \
+		-p 80:80 \
+		-v /etc/letsencrypt:/etc/letsencrypt \
+		certbot/certbot \
+		certonly \
+			--standalone \
+			--non-interactive \
+			--preferred-challenges http \
+			--logs-dir /etc/letsencrypt/logs \
+			-d rightplant.biospherecapital.com
+
 clean: stop
 	git clean -dxf