feat(api): implement new api handler

pkg/api/prelude/response.go

@@ -0,0 +1,41 @@
+package prelude
+
+import (
+	"encoding/json"
+	log "github.com/sirupsen/logrus"
+	"net/http"
+)
+
+type Response struct {
+	Body   any
+	Status int
+	Raw    bool
+}
+
+func (r *Response) Bytes() ([]byte, error) {
+	if bytes, raw := r.Body.([]byte); raw {
+		return bytes, nil
+	}
+
+	if str, raw := r.Body.(string); raw {
+		return []byte(str), nil
+	}
+
+	return json.MarshalIndent(r.Body, "", "  ")
+}
+
+var localLog = log.WithField("notify", "no")
+
+func OK(body any) Response {
+	return Response{
+		Status: http.StatusOK,
+		Body:   body,
+	}
+}
+
+func Error(err errorResponse) Response {
+	return Response{
+		Status: err.Status,
+		Body:   err,
+	}
+}