[Example] Laravel - Upload Widget

[colbyfayock]

Create a new example showing how to set up the Cloudinary Upload Widget in an Laravel project.

See other frameworks for examples:

• https://github.com/cloudinary-community/cloudinary-examples/tree/main/examples/nextjs-upload-widget-signed
• https://github.com/cloudinary-community/cloudinary-examples/tree/main/examples/react-upload-widget-preset
• https://github.com/cloudinary-community/cloudinary-examples/tree/main/examples/solid-upload-widget-preset
• https://github.com/cloudinary-community/cloudinary-examples/tree/main/examples/sveltekit-upload-widget-preset
• https://github.com/cloudinary-community/cloudinary-examples/tree/main/examples/vue-upload-widget-preset
• https://github.com/cloudinary-community/cloudinary-examples/tree/main/examples/remix-upload-widget-preset