fix: kachel spacing & /admin

frontend/src/app/components/item-form/item-form.ts

@@ -1,7 +1,7 @@
 import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 import { FormBuilder, FormGroup, Validators, ReactiveFormsModule } from '@angular/forms';
-import { ApiService } from '../../services/api';
+import { Api } from '../../services/api';
 import { Item } from '../../models/item';
 import { MaterialModule } from '../../material.module';
 import { CommonModule } from '@angular/common';
@@ -20,7 +20,7 @@ export class ItemFormComponent implements OnInit {
 
   constructor(
     private fb: FormBuilder,
-    private apiService: ApiService,
+    private apiService: Api,
     private router: Router,
     private route: ActivatedRoute
   ) {
@@ -52,7 +52,7 @@ export class ItemFormComponent implements OnInit {
         });
       } else {
         this.apiService.createItem(itemData).subscribe(() => {
-          this.router.navigate(['/']);
+          this.router.navigate(['/admin']);
         });
       }
     }