httpx: Add new redirect

pkg/httpx/httpx.go

@@ -1,6 +1,25 @@
 package httpx
 
-import "errors"
+import (
+	"net/http"
+)
 
-// ErrNotFound should be returned from any httpx error to indicate that the item was not found
-var ErrNotFound = errors.New("httpx: Error 404")
+// Response represents a response to an http request.
+type Response struct {
+	ContentType string // defaults to text/plain
+	Body        []byte
+	StatusCode  int // defaults to [http.StatusOK]
+}
+
+func (response Response) ServerHTTP(w http.ResponseWriter, r *http.Request) {
+	if response.ContentType == "" {
+		response.ContentType = "text/plain"
+	}
+	w.Header().Set("Content-Type", response.ContentType)
+
+	if response.StatusCode <= 0 {
+		response.StatusCode = http.StatusOK
+	}
+	w.WriteHeader(response.StatusCode)
+	w.Write(response.Body)
+}