[Docs]: Add Table example with custom row

[AlekseyManetov]

Create table doc example with custom renderRow implementation

[jakobz]

https://codesandbox.io/s/uui-tables-row-styles-jz9ld?file=/Example.tsx:1423-1461 - at least let's have this example.

We need to illustrate both:

• custom css on row
• complex customizaition, like adding a foldable panel with details to each row