feat: enable macro on Button builder

[yajra]

Usage

        Button::macro('icon', function (string $icon) {
            /** @var Button $this */
            $this->text("<i class='{$icon}'></i><span>".$this->get('text')."</span>");

            return $this;
        });

            CreateButton::makeIfCan('manage-members')
                ->text('Register Member')
                ->icon('ki-outline ki-plus')
                ->formTitle('Register Member')
                ->editor('registration'),

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud