Vitalii Saienko

Incomplete types for ChatUnfurlArguments

1

According to documentation [`chat.unfurl`](https://api.slack.com/methods/chat.unfurl) accepts either `unfurl_id` and `source` or `channel` and `ts`. But `ChatUnfurlArguments` type misses `unfurl_id` and `source` params ([source](https://github.com/slackapi/node-slack-sdk/blob/main/packages/web-api/src/methods.ts#L1457-L1465)). #### Packages: Select all that apply: - [x]...

Closes #32