feat: Add Consulta_API page and routing, implement API request functionality

- Introduced a new page for API consultation (`Consulta_API`) with a form to send requests.
- Added routing for the new page and a 404 error page.
- Created a `MetodoSelect` component for selecting HTTP methods.
- Implemented a `MiBoton` component for a customizable button.
- Updated the `HomePage` layout to include a sidebar (`DoubleNavbar`) and main content area.
- Enhanced the `Welcome` component with a new greeting and description.
- Added a holographic shader background to the 404 error page.
- Updated dependencies in `yarn.lock` for new components and features.
- Styled the sidebar and main content for better user experience.

frontend/src/components/botoncito.tsx

@@ -0,0 +1,16 @@
+// src/components/MiBoton.tsx
+
+import { Button } from '@mantine/core';
+import { MouseEventHandler } from 'react';
+
+type MiBotonProps = {
+  onClick: MouseEventHandler<HTMLButtonElement>;
+  label?: string;
+  color?: string;
+};
+
+function MiBoton({ onClick, label = 'Hola que tal!', color = 'teal' }: MiBotonProps) {
+  return <Button color={color} onClick={onClick}>{label}</Button>;
+}
+
+export default MiBoton;