docs: add docs on how to run community meetings (#711)

docs/community-meetings.md

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+# Community meetings
+
+Component Detection community meetings happen every four weeks on Wednesdays at 9:00 AM Pacific Time. The meeting is open to everyone and is a great way to get involved with the project. We have [an overarching issue][1] listing the upcoming meeting, as well as all previous meetings.
+
+## Running the meeting
+
+Our community meetings are run by members of our team. Here's a checklist of things to do before, during and after the meeting.
+
+### Before the meeting
+
+1. Open the discussion for the meeting (You should be able to find it in the [overarching issue][1])
+1. Open the issues and pull requests search since the last meeting (It should be linked in the discussion)
+
+### During the meeting
+
+1. Record the meeting
+1. Discuss the issues and pull requests that have been opened since the last meeting
+    - Highlight any issues or pull requests that need attention
+1. Discuss any other topics that have been added to the agenda
+
+### After the meeting
+
+1. Update:
+    - The agenda with any notes from the meeting
+    - The attendees list
+    - Upload the recording
+1. Create a new discussion for the next meeting. Use the following template, and update the dates for: "Find in your timezone", "Issues opened since last meeting" and "PRs opened since last meeting"
+
+    ```markdown
+    <!-- Check out https://github.com/microsoft/component-detection/blob/main/docs/community-meetings -->
+    📆 Wednesday dd mm yyyy
+    🕙 10AM Pacific Time ([Find in your timezone][timezone])
+    ☎️ [Teams meeting][teams]
+
+    ## Agenda
+
+    Comment agenda items below
+
+    - [Issues opened since last meeting][issues]
+    - [PRs opened since last meeting][prs]
+
+    ## Attendees
+
+    * 
+
+    ## Recording
+
+    [timezone]: https://www.timeanddate.com/worldclock/fixedtime.html?iso=20230712T17
+    [teams]: https://teams.microsoft.com/l/meetup-join/19%3ameeting_YmVmMjcxMmEtMmYwYi00MGNiLTg4MDgtODNiMDY5ZjNkYjY3%40thread.v2/0?context=%7b%22Tid%22%3a%2272f988bf-86f1-41af-91ab-2d7cd011db47%22%2c%22Oid%22%3a%22bb41e436-5c77-44e2-b783-1ad2b9f7aa7f%22%7d
+    [issues]:https://github.com/microsoft/component-detection/issues?q=is%3Aissue+created%3A%3E2023-07-12
+    [prs]:https://github.com/microsoft/component-detection/pulls?q=is%3Apr+created%3A%3E2023-07-12
+    ```
+
+1. Update the [overarching issue][1] with a link to the new discussion, and move the old discussion to the "Past meetings" section.
+1. Update [the pinned discussions][2]. There should be one pinned discussion for the next meeting, and one for the latest past meeting.
+
+[1]: https://github.com/microsoft/component-detection/issues/47
+[2]: https://github.com/microsoft/component-detection/discussions