func (pr *Params) Path(path string) string {
	return strings.Join(strings.Split(path, ".")[1:], ".")
}
Path returns the second part of the path after the target type,
indicating the path to the specific parameter being set.
package params
import (
	"fmt"
	"log"
	"reflect"
	"strconv"
	"strings"
	"github.com/goki/gi/gi"
	"github.com/goki/ki/kit"
)
func (pr *Params) TargetType() string {
	for pt := range *pr {
		return strings.Split(pt, ".")[0]
	}
	return ""
}