Add typescript and fried-twinkie to be installed for PolyGerrit tests

A new test target is getting added to check for template type safety
and relies on these two packages.

Change-Id: I8cb74dd45139193a6be5f361653594b2c4c92b94
1 file changed
tree: 69321be153c9e280ed5683869d605fa6ebb9047d
  1. jenkins/
  2. jenkins-docker/
  3. .gitignore