Add SBG event to Earthdata newsletter

[BriannaLind]

For each submission, please include the following information:

Title
Summary of item/event/story: Please spell out all acronyms (we’ll edit for length)
Date/time: Required for events, training, webinars, and similar submissions
URL (if relevant): Links must be to openly available resources and cannot include paywalls, firewalls, or other barriers to access