Adding more logs (#6)

Reviewed-on: https://gitea.com/gitea/gitea-mcp/pulls/6
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: hiifong <i@hiif.ong>
Co-committed-by: hiifong <i@hiif.ong>

pkg/to/to.go

@@ -21,3 +21,8 @@ func TextResult(v any) (*mcp.CallToolResult, error) {
 	log.Debugf("Text Result: %s", string(resultBytes))
 	return mcp.NewToolResultText(string(resultBytes)), nil
 }
+
+func ErrorResult(err error) (*mcp.CallToolResult, error) {
+	log.Errorf(err.Error())
+	return nil, err
+}