To start the server on localhost://8100 type: 'ionic serve'
ng lint to lint project - the Ionic boilerplate is old and newer version add component to tab component pages. This causes lint errors error Component class names should end with one of these suffixes: "Component" (https://angular.io/styleguide#style-02-03) @angular-eslint/component-class-suffix. This could be fixed with a lot of filename changes etc.