add how to resend zoom registration emails

approach/tooling.md

@@ -291,8 +291,8 @@ We can set up registration for a single event like a Community Call, or for a se
 -   Click Branding tab \> Logo: upload Openscapes hex; Banner: use a [banner image](https://github.com/Openscapes/website-new/tree/main/images/banner_imgs) from the Openscapes website
 -   Click Email Settings tab \> Edit Confirmation Email to Registrants; use 'Send me a preview email' to check and iterate on the content
 
-::: callout-caution
-Each person who registers receives a unique URL for the Zoom meeting. Do not share that link, since every person using it will be signed in with one person's name (ask us how we know ;-) ). Use 'copy invitation' to get a sharable link to the meeting e.g. to post last minute in Slack for a Community Call.
+::: callout-note
+Each person who registers receives a unique URL for the Zoom meeting. Do not share that link, since every person using it will be signed in with one person's name (ask us how we know ;-) ). The root of that link is the generic url anyone can use to join e.g. a speaker who did not have to register, or to post last minute in Slack for a Community Call.
 :::
 
 ### View registrations for an event
@@ -313,6 +313,12 @@ Each person who registers receives a unique URL for the Zoom meeting. Do not sha
 
 -   Click Download
 
+### Resend confirmation emails to registrants
+
+Imagine people have registered and received their confirmation email with their unique Zoom link weeks in advance of your event. When it's time to join, how do they find the link?
+
+This must be done manually for every registrant. In Zoom web portal \> Meetings \> your meeting \> Registration \> Manage Registrants \> View \> click name \> Resend Confirmation Email button. (see also [Zoom Support article](https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0068036))
+
 ### Two scenarios for sharing audio in Zoom
 
 This Zoom resource covers two scenarios we use: [Sharing computer sound in a screen share](https://support.zoom.us/hc/en-us/articles/201362643-Sharing-computer-sound-in-a-screen-share). Screenshots below. Practice both beforehand, testing by recording yourself, because they're not obvious and chances of working smoothly on the fly in a meeting are ...low.