Adiciona live reload a geração do site com air

.air.toml

@@ -0,0 +1,16 @@
+root = "."
+tmp_dir = "tmp"
+
+[build]
+cmd = "make site/generate"
+bin = ""
+include_ext = ["yml"]
+include_file = ["catalog.yml"]
+exclude_dir = ["tmp", "build", "public", "cmd/generate_readme"]
+delay = 1000
+
+[log]
+time = true
+
+[screen]
+clear_on_rebuild = true

makefile

@@ -1,17 +1,34 @@
 .PHONY: generate-readme setup
 
 setup:
-	@echo "Instalando dependências..."
+	@echo "Installing golang dependencies"
 	go mod download
-	@echo "Dependências instaladas com sucesso!"
 
 generate-readme:
 	@go run cmd/generate_readme/main.go
 
-generate-site:
+# === Site ===
+
+site/generate:
 	@go run cmd/generate_site/main.go
 
-serve-site:
-	@go run cmd/serve_site/main.go
+
+SITE_PYTHON := $(shell command -v python3 2> /dev/null || command -v python 2> /dev/null)
+SITE_PORT := $(or $(PORT),8080)
+
+site/watch:
+	@command -v air >/dev/null 2>&1 || { echo >&2 "Air is not installed. Install with: go install github.com/cosmtrek/air@latest"; exit 1; }
+	@echo "Watching changes in the catalog"
+	@air
+
+site/serve:
+	@make site/watch &
+
+	@if [ -z "$(SITE_PYTHON)" ]; then \
+		echo "Error: neither python3 nor python found in PATH"; \
+		exit 1; \
+	fi
+	@echo "Starting server at http://localhost:$(SITE_PORT)"
+	@$(SITE_PYTHON) -m http.server $(SITE_PORT) --directory public
 
 all: setup generate-readme generate-site