docs: add a new S2 example app using typescript (#8012)
* Add typescript build support for s2
* rename package.json
* remove pm details
* update webpack config
* fix typescript
* add empty yarn lock
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Co-authored-by: Cezar Sirbu <csirbu@adobe.com>
Co-authored-by: Robert Snow <rsnow@adobe.com>
Co-authored-by: Yihui Liao <44729383+yihuiliao@users.noreply.github.com>
