Improve three scene performance and add JSCAD

- smoothed follow mouse animation
- made mobile friendlier down to about 330px ish
- added default social image
- used smaller hero asset

README.md

@@ -47,7 +47,7 @@ yarn rw dev
 
 Your browser should open automatically to `http://localhost:8910` to see the web app. Lambda functions run on `http://localhost:8911` and are also proxied to `http://localhost:8910/.redwood/functions/*`.
 
-If you want to access the websight on your phone use `yarn redwood dev --fwd="--host <ip-address-on-your-network-i.e.-192.168.0.5">"`
+If you want to access the websight on your phone use `yarn redwood dev --fwd="--host <ip-address-on-your-network-i.e.-192.168.0.5>"`
 
 you can sign in to the following accounts locally