using ngx img zoomer code example
Example: ngx-img-zoom is not known element
ngx-img-zoom' is not a known element:
1. If 'ngx-img-zoom' is an Angular component, then verify that it is part of this module.
2. If 'ngx-img-zoom' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message.ng