Fix incorrect variable name

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Add npm module skeleton; load plugin translations

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Move Angular app plugin code under frontend/app

Analog to core commit:
https://github.com/opf/openproject/commit/6ec5ca58edc6d8dbf0efd14aab189dead0da6fa2

Signed-off-by: Alex Coles <alex@alexbcoles.com>
No longer load Angular code via asset pipeline

Signed-off-by: Alex Coles <alex@alexbcoles.com>