chore: upgrade Angular and related dependencies to version 20.0.0

feat: refactor AboutComponent to be standalone and include CommonModule
feat: refactor BlogComponent to be standalone and include CommonModule
feat: refactor ContactSidebarComponent to be standalone and include CommonModule
feat: refactor ContactComponent to be standalone and include CommonModule and FormsModule
feat: refactor NavbarComponent to be standalone and include CommonModule and RouterModule
feat: refactor ProjectsComponent to be standalone and include CommonModule
feat: refactor ResumeComponent to be standalone and include CommonModule
feat: refactor AppComponent to be standalone and include necessary components
feat: remove AppModule in favor of standalone components
fix: update tests to include HttpClientTestingModule where necessary
fix: update routing module to export appRoutes without NgModule
chore: add environment configuration for production

src/app/blog/blog.component.spec.ts

@@ -1,4 +1,5 @@
 import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { HttpClientTestingModule } from '@angular/common/http/testing';
 
 import { BlogComponent } from './blog.component';
 
@@ -8,7 +9,7 @@ describe('BlogComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      imports: [BlogComponent]
+      imports: [BlogComponent, HttpClientTestingModule]
     })
     .compileComponents();
     

src/app/blog/blog.component.ts

@@ -1,4 +1,5 @@
 import { Component, OnInit } from '@angular/core';
+import { CommonModule } from '@angular/common';
 import { CvService } from '../services/cv.service';
 import { BaseComponent } from '../base/base.component';
 import { IBlog } from './blog.model';
@@ -7,7 +8,9 @@ import { environment } from 'src/environments/environment';
 @Component({
   selector: 'app-blog',
   templateUrl: './blog.component.html',
-  styleUrl: './blog.component.scss'
+  styleUrl: './blog.component.scss',
+  standalone: true,
+  imports: [CommonModule]
 })
 export class BlogComponent extends BaseComponent<IBlog> implements OnInit{
   blogUrl!: string;