Add make push / scripts/push.sh

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>

Makefile

@@ -3,9 +3,10 @@ export
 
 COMPOSE = docker compose
 
-.PHONY: help fetch build up down logs rebuild drawings drawings-all drawings-one shell-latex remotes
+.PHONY: help fetch push build up down logs rebuild drawings drawings-all drawings-one shell-latex remotes
 
 help:
+	@echo "make push           push the three repos (sv), then this one (main); DRY=1 for a dry run"
 	@echo "make fetch          init/update the submodules (scripts/fetch.sh)"
 	@echo "make build          generate the site into ./site-build"
 	@echo "make up | down      start/stop the local web server (http://127.0.0.1:8080)"
@@ -18,6 +19,9 @@ help:
 fetch:
 	./scripts/fetch.sh
 
+push:
+	./scripts/push.sh $(if $(DRY),--dry-run)
+
 build:
 	$(COMPOSE) --profile build run --rm build