feat: add routing for componentes-test and create reusable button component

- Implemented lazy loading for the componentes-test feature module.
- Created a redirect route to componentes-test as the default path.
- Added a new ReutilizablesTestPageComponent to showcase reusable components.
- Developed a reusable ButtonComponent with various styles and states.
- Updated global styles to include Bootstrap.
- Added SCSS styles for the new components and pages.

src/app/shared/components/button/button.component.ts

@@ -0,0 +1,34 @@
+import { ChangeDetectionStrategy, Component, computed, input } from '@angular/core';
+import { NgClass } from '@angular/common';
+
+export type ButtonVariant =
+  | 'primary'
+  | 'secondary'
+  | 'danger'
+  | 'danger-secondary'
+  | 'cancel';
+
+@Component({
+  selector: 'app-button',
+  imports: [NgClass],
+  templateUrl: './button.component.html',
+  styleUrl: './button.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class ButtonComponent {
+  readonly variant = input<ButtonVariant>('primary');
+  readonly type = input<'button' | 'submit' | 'reset'>('button');
+  readonly disabled = input(false);
+
+  protected readonly buttonClasses = computed(() => {
+    const variants: Record<ButtonVariant, string> = {
+      primary: 'btn-primary',
+      secondary: 'btn-outline-primary',
+      danger: 'btn-danger',
+      'danger-secondary': 'btn-outline-danger',
+      cancel: 'btn-secondary'
+    };
+
+    return ['btn', variants[this.variant()]];
+  });
+}