feat: usos sign-in, private calendar feed and timetable archive

Makefile

@@ -0,0 +1,45 @@
+COMPOSE := docker compose
+GO := $(if $(shell command -v go),,docker run --rm -v $(CURDIR):/src -v usoscal-gomod:/go/pkg/mod -v usoscal-gocache:/root/.cache -w /src golang:1.27) go
+LINT := $(GO) run github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.14.0
+
+.PHONY: env recreate rebuild restart logs down fmt check test build
+
+fmt:
+	$(GO) mod tidy
+	$(LINT) fmt
+
+check:
+	$(LINT) run
+	$(MAKE) test
+
+test:
+	$(GO) test -race ./...
+
+build:
+	$(COMPOSE) build api
+
+env:
+	@fresh=; test -f .env || { cp .env.example .env; fresh=1; }; \
+	if ! test -f docker-compose.override.yml; then \
+		cp docker-compose.override.yml.example docker-compose.override.yml; \
+		for port in $$(sed -n 's/.*127\.0\.0\.1:\([0-9]*\):.*/\1/p' docker-compose.override.yml | sort -u); do \
+			random=$$((20000 + $$(od -An -N2 -tu2 /dev/urandom) % 40000)); \
+			sed "s/127\.0\.0\.1:$$port:/127.0.0.1:$$random:/" docker-compose.override.yml > docker-compose.override.yml.tmp && mv docker-compose.override.yml.tmp docker-compose.override.yml; \
+			test -z "$$fresh" || { sed "s|localhost:$$port/|localhost:$$random/|" .env > .env.tmp && mv .env.tmp .env; }; \
+		done; \
+	fi
+
+recreate:
+	$(COMPOSE) up -d --force-recreate
+
+rebuild: build
+	$(COMPOSE) up -d
+
+restart:
+	$(COMPOSE) restart
+
+logs:
+	$(COMPOSE) logs -f --tail=100
+
+down:
+	$(COMPOSE) down