+ updated readme and no more .env files

Makefile

@@ -8,5 +8,14 @@ build:
 	@go build -o tmp/main cmd/api/main.go
 
 setup:
+	@command -v templ >/dev/null 2>&1 || { \
+		echo "Installing templ..."; \
+		go install github.com/a-h/templ/cmd/templ@latest; \
+	}
+	@command -v sqlc >/dev/null 2>&1 || { \
+		echo "Installing sqlc..."; \
+		go install github.com/sqlc-dev/sqlc/cmd/sqlc@latest; \
+	}
 	@curl -o cmd/web/assets/js/datastar.js https://cdn.jsdelivr.net/gh/starfederation/datastar@main/bundles/datastar.js
+	@curl -o cmd/web/assets/css/pico.min.css https://cdn.jsdelivr.net/npm/@picocss/pico@2/css/pico.min.css
 	@curl -o cmd/web/assets/css/fonts/jersey15.woff2 https://fonts.gstatic.com/s/jersey15/v3/_6_9EDzuROGsUuk2TWjiZYAg.woff2