[flexcoders] file not included in bin

[Ben Marchbanks]

I have a project that for some reason stopped including a file in the
bin folder when debugging or doing a clean build. In particular the
"style.css". Now I have to manually add it to the 'bin' folder each
time I update the web server.

here is a snippet of my project folder

Project
  >assets
    >images
     style.css
  >bin
   component1
   component2
   component3

Is there a config setting that controls this ???