Phase 0: skeleton, config, chi router, /healthz

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Makefile

@@ -0,0 +1,20 @@
+BINARY=qbank
+CSS_IN=web/templates/input.css
+CSS_OUT=web/static/tailwind.css
+
+.PHONY: run build tailwind tidy test
+
+run:
+	go run ./cmd/server
+
+build:
+	CGO_ENABLED=0 go build -o $(BINARY) ./cmd/server
+
+tailwind:
+	tailwindcss -i $(CSS_IN) -o $(CSS_OUT) --minify
+
+tidy:
+	go mod tidy
+
+test:
+	go test ./...