Generate google meet links in slack

### 1. Setup: Add a Slack App
**a.** Visit https://api.slack.com/apps, click on `New App` and choose a name and workspace.
**b.** Click on `OAuth & Permissions` and scroll down to Scopes -> Bot token Scopes
**c.** Add the `chat:write` scope & `chat:write.public`
**d.** Navigate to `Slash Commands` and click `Create New Command`
**e.** Use `/meet` as the command
**f.** Copy the production URL from the **Webhook** node into `Request URL` within your slash command
**g.** Add relevant description and usage hint
**h.** Go to `Install app` and click install
**i.** Don't worry about app distribution, that's only if you're trying to publish an app on the slack store