updated icons

src/app/pages/pages-menu.ts

@@ -15,7 +15,7 @@ export const MENU_ITEMS: NbMenuItem[] = [
   },
   {
     title: 'Data Analysis',
-    icon: 'home-outline',
+    icon: 'bar-chart-2-outline',
     link: "/pages/tecnalia",
     data:{
       name:"tecnalia"
@@ -33,7 +33,7 @@ export const MENU_ITEMS: NbMenuItem[] = [
   },
   {
     title: 'Data Catalogue',
-    icon: 'home-outline',
+    icon: 'search-outline',
     link: "/pages/datasets",
     data:{
       name:"catalogues"
@@ -41,7 +41,7 @@ export const MENU_ITEMS: NbMenuItem[] = [
   },
   {
     title: 'Administration',
-    icon: 'home-outline',
+    icon: 'settings-2-outline',
     children: [
       {
         title: 'Data Catalogue Administration',