Hello! Thank you for contributing.

Please make sure to use a descriptive changeset comment; it helps with quality control. :)

Additionally, if you are going to draw in sidewalks as separate ways, it's important that you add all the crossings as well. Without them, routers can't route people properly! I have written a guide to how I (and a few others) are mapping sidewalks in the area.
https://www.openstreetmap.org/user/une%20abeille/diary/402005