feat(webRTC): republish plugin assets
feat(webRTC): republish webRTC plugin assets

This is a really cumbersome task when we have to run `kabam publishAssets` everytime we updated the plugins assets
feat(webRTC): add flash container to hold the incoming notification
feat(webRTC): republish webRTC plugin assets
feat(package.json): add prestart script to run kabam publishAssets

Sadly, everytime we have an updated plugin assets, we have to republish the assets by run kabam publishAssets manually.
So, this prestart script will run kabam publishAssets for you, to save time and reduce keystroke on your keyboard.
feat(webRTC): republish webRTC plugin assets
feat(webRTC): republishAssets
Merge branch 'working-in-webRTC'