[pose-detection]Prepare release version 0.0.1-rc.0 (tensorflow#634)

PROCESS

[speech-commands]Update to 0.5.4 (tensorflow#613)

PROCESS

Update README.md (tensorflow#571)

* Update README.md

The `yarn build-npm` step will fail without typescript types installed. This PR adds a step to install them.

* Update README.md

Co-authored-by: Ping Yu <4018+pyu10055@users.noreply.github.com>

set the correct name space for tfjs-data in rollup (tensorflow#598)

Fix speech command npm error (tensorflow#595)

* fix sec vulnerability for bodypix

* fix speech command minimized build error

Update tfjs to 3.1.0 (tensorflow#592)

Co-authored-by: Matthew Soulanille <msoulanille@google.com>

ignore the right demo directory

ignore the right demo directory

Upgrade face-landmark-detection to 3.0.0-rc.1 (tensorflow#569)

Update tfjs to 3.1.0 (tensorflow#586)