chore: update README.md

Upgraded to use @oclif/core@4 (#33)

* Upgraded to use @oclif/core@4

* Updated README.

1.0.9

1.0.8

1.0.7

Fix team screenname bug (#8)

* Fixed team screenname issue.

* Switch to use clipboardy.

1.0.3

1.0.2

Update `run-server` version.

Updated README.