[prdoc] Support multiple audiences (#3990)
Closes https://github.com/paritytech/polkadot-sdk/issues/3986 --------- Signed-off-by:Oliver Tale-Yazdi <[email protected]>
Closes https://github.com/paritytech/polkadot-sdk/issues/3986 --------- Signed-off-by:Oliver Tale-Yazdi <[email protected]>