feat(vendordep): add vendordep management

- Add vendordep add
- Add vendordep remove
- Add vendordep list
- Refactor downloading

utils/stringOrNumber.go

@@ -0,0 +1,24 @@
+package utils
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+type StringOrNumber string
+
+func (s *StringOrNumber) UnmarshalJSON(b []byte) error {
+	var asString string
+	if err := json.Unmarshal(b, &asString); err == nil {
+		*s = StringOrNumber(asString)
+		return nil
+	}
+
+	var asNumber float64
+	if err := json.Unmarshal(b, &asNumber); err == nil {
+		*s = StringOrNumber(fmt.Sprintf("%.0f", asNumber))
+		return nil
+	}
+
+	return fmt.Errorf("invalid frcYear format")
+}