refactor: move hrp/ to root folder

pkg/convert/from_json.go

@@ -0,0 +1,26 @@
+package convert
+
+import (
+	hrp "github.com/httprunner/httprunner/v5"
+	"github.com/pkg/errors"
+	"github.com/rs/zerolog/log"
+)
+
+func LoadJSONCase(path string) (*hrp.TestCaseDef, error) {
+	log.Info().Str("path", path).Msg("load json case file")
+	caseJSON := new(hrp.TestCaseDef)
+	err := hrp.LoadFileObject(path, caseJSON)
+	if err != nil {
+		return nil, errors.Wrap(err, "load json file failed")
+	}
+
+	if caseJSON.Steps == nil {
+		return nil, errors.New("invalid json case file, missing teststeps")
+	}
+
+	err = hrp.ConvertCaseCompatibility(caseJSON)
+	if err != nil {
+		return nil, err
+	}
+	return caseJSON, nil
+}