feat: initialize nuntius project with full server implementation

examples/minimal/main.go

@@ -0,0 +1,35 @@
+//go:build linux || freebsd
+
+// Minimal example showing how to use the contactform package
+// standalone (without the HTTP server).
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"codeberg.org/petrbalvin/nuntius/pkg/contactform"
+)
+
+func main() {
+	req := &contactform.Request{
+		Name:    "Jane Doe",
+		Email:   "jane@example.com",
+		Service: "architecture",
+		Message: "Hi, I'd like to discuss a possible engagement.",
+	}
+
+	if errs := contactform.Validate(req, "contact"); len(errs) > 0 {
+		fmt.Fprintln(os.Stderr, "validation failed:")
+		for _, e := range errs {
+			fmt.Fprintf(os.Stderr, "  - %s: %s\n", e.Field, e.Message)
+		}
+		os.Exit(1)
+	}
+
+	fmt.Println("Request is valid:")
+	fmt.Printf("  name:    %s\n", req.Name)
+	fmt.Printf("  email:   %s\n", req.Email)
+	fmt.Printf("  service: %s\n", req.Service)
+	fmt.Printf("  message: %s\n", req.Message)
+}