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.html

@@ -0,0 +1,7 @@
+<button
+  [type]="type()"
+  [disabled]="disabled()"
+  [ngClass]="buttonClasses()"
+>
+  <ng-content />
+</button>