Improve local storage and fix expediente task strature

src/app/store/loader.service.ts

@@ -0,0 +1,28 @@
+import { Injectable } from '@angular/core';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class LoaderService {
+
+  private loadingList: {
+    name: string
+  }[] = []
+
+  constructor() { }
+
+  get loading(){
+    return this.loadingList.length != 0
+  }
+
+  push({name = ''}) {
+    this.loadingList.push({
+      name: name
+    })
+  }
+
+  pop({}) {
+    this.loadingList.pop()
+  }
+
+}