fix: update core and apply stricter tslint rules

src/app/modules/data/list/data-list-item.component.ts

@@ -15,19 +15,32 @@
 import {Component, Input, OnInit} from '@angular/core';
 import {SCThings} from '@openstapps/core';
 
+/**
+ * TODO
+ */
 @Component({
   selector: 'stapps-data-list-item',
   styleUrls: ['data-list-item.scss'],
   templateUrl: 'data-list-item.html',
 })
 export class DataListItem implements OnInit {
+  /**
+   * TODO
+   */
   @Input() item: SCThings;
 
+  /**
+   * TODO
+   */
   constructor() {
     // noop
     // this.item is not available yet
   }
 
+  /**
+   * TODO
+   */
+  // tslint:disable-next-line:prefer-function-over-method
   ngOnInit() {
     // noop
     // this.item is available now - the template is loaded and compiled