Update townhalls.md
Add link to BJ
@@ -22,5 +22,6 @@ From time to time we also use the opportunity to showcase upcoming features.
| Date | Recording | Q&A |
| ------- | :---------: | :---------: |
+| 4/3/20 | [link](https://bluejeans.com/s/vzYpa) | TBD
| 3/20/20 | [link](https://bluejeans.com/s/FSKEF) | [link](https://docs.google.com/document/d/1vQ6tAGXsVafnPIcZv1GSYgnTJJXFOACa1aWzOQjiGHI/edit) |
| 3/6/20 | [link](https://bluejeans.com/s/vULMG) | [link](https://docs.google.com/document/d/1N_VGqlH9CD-54LBsVlpcK2Cf2Mgmuzq79EvN9qgBqtQ/edit) |
