init: info-canicule MVP (Vigilance + climato + conseils)

Astro 5 SSR + ioredis cache Valkey, déployable sur shared-net.
- Vigilance temps réel via Opendatasoft (no-auth, LOv2)
- Carte SVG des 96 départements (gregoiredavid/france-geojson)
- Climato T° 30j par dept (CSV.GZ Météo France, cache 24h)
- Conseils officiels par phénomène (7 types Vigilance)
- /api/health (UptimeRobot) + /api/vigilance (JSON public CORS *)
- Dockerfile multi-stage, CI Forgejo deploy.yml (pattern Reteno)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Makefile

@@ -0,0 +1,39 @@
+.DEFAULT_GOAL := help
+SHELL := /bin/bash
+
+PASS_CLI ?= $(HOME)/.local/bin/pass-cli
+
+.PHONY: help install dev build start env check up down logs restart
+
+help: ## Show this help
+	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "  \033[36m%-12s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
+
+install: ## Install deps
+	pnpm install
+
+dev: ## Run Astro dev server (needs REDIS_URL — falls back to graceful warnings)
+	pnpm dev
+
+build: ## Build SSR bundle
+	pnpm build
+
+start: ## Run built bundle locally
+	node ./dist/server/entry.mjs
+
+check: ## Type-check (astro check)
+	pnpm check
+
+env: ## Materialize .env from .env.tmpl via pass-cli
+	$(PASS_CLI) inject --in-file .env.tmpl --out-file .env --file-mode 0600
+
+up: ## docker compose up -d --build --wait (prod-like)
+	docker compose up -d --build --wait
+
+down: ## docker compose down
+	docker compose down
+
+logs: ## docker compose logs -f
+	docker compose logs -f --tail=100
+
+restart: ## docker compose restart app
+	docker compose restart app