docs: migrate the Spinners to Hugo

[mouracamila]

Feature request Move the Spinners documentation from the current documentation page to Hugo, it must look similar to the Alert example that can be found here

Describe the solution you'd like It would be nice if it had these elements in the documentation:

• [ ] Usage
• [ ] Properties
• [ ] Examples

Describe alternatives you've considered N/a

Additional context N/a

[vrishtrix]

Creating a PR to migrate spinners to Hugo

[rluders]

Creating a PR to migrate spinners to Hugo

It is probably blocked by #311... But, yeah, I would love some help.