Add examples directory

examples/main.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"net/http"
+
+	"code.app-house.ru/go/csrf"
+)
+
+func main() {
+	r := http.NewServeMux()
+	csrfProtection := csrf.New()
+
+	// You can change field or header name (as well as other settings):
+	// csrfProtection.FormFieldName = "foo"
+	// csrfProtection.HeaderName = "bar"
+
+	http.ListenAndServe(":8000", csrfProtection.Middleware(r))
+}