Polishing TIC: Courseware Icons

public/assets/images/icons/red/network2.svg

public/assets/images/icons/red/progress.svg

public/assets/images/icons/red/share.svg

public/assets/images/icons/red/source.svg

public/assets/images/icons/red/style.svg

public/assets/images/icons/white/copy.svg

public/assets/images/icons/white/export.svg

public/assets/images/icons/white/file-copy.svg

public/assets/images/icons/white/import.svg

public/assets/images/icons/white/info-list.svg

public/assets/images/icons/white/list.svg

public/assets/images/icons/white/literature-request.svg

public/assets/images/icons/white/literature-request2.svg

public/assets/images/icons/white/network2.svg

public/assets/images/icons/white/progress.svg

public/assets/images/icons/white/share.svg

public/assets/images/icons/white/source.svg

public/assets/images/icons/white/style.svg

public/assets/images/icons/yellow/copy.svg

public/assets/images/icons/yellow/export.svg