Installing tailwindcss/nesting plugin

[aleksfront]

Allowing to use comfortable style writing experience just like sass does.

Now it's possible to use nesting rules in our css files:

.label {
  font-size: var(--font-size);

  &:hover {
    background-color: transparent;
  }
}

Fixes #3021

Signed-off-by: Alex Andreev [email protected]

[Nachasic]

Looks great!