Some docs theme components leaking to markdown

[HonzaTuron]

The word "Clients" leaks into the description text:

Also some formatting leaks into the descriptions:

[B4nan]

I think this is also caused by the redoc decorator:

https://github.com/apify/apify-docs/blob/master/.redocly.yaml#L29

I am planning to rework how it works. Instead of the decorator, we could just patch the openapi plugin and render the client links natively.