planning/sf-2019: [Participants] adding myself

Author: jensimmons

planning/sf-2019.txt

@@ -22,6 +22,7 @@
 | Florian Rivoal | Feb 22 | Feb 28 | Airbnb? |  |
 | Hiroshi Sakakibara | Feb 24 | Mar 1 | Airbnb |  |
 | Hyojin Song | Feb 24 | Feb 27 | TBD | OZ212/OZ211 |
+| Jen Simmons | Feb 24 | Mar 2 |  |  |
 | Jihye Hong | Feb 24 | Feb 28 | Airbnb |  |
 | Koji Ishii | Feb 24 | Feb 28 | TBD |  |
 | Lea Verou |  |  |  | (assuming Chris' visa granted in time) |