(docs): updating readme to include `--save` on npm commands
(docs): updating readme to include `--save` on npm commands
atscott/flex-layout,benbraou/flex-layout,DevVersion/flex-layout,angular/flex-layout,brendanoffer/flex-layout,d3viant0ne/flex-layout,atscott/flex-layout,atscott/flex-layout,karlhaas/flex-layout,angular/flex-layout,d3viant0ne/flex-layout,benbraou/flex-layout,karlhaas/flex-layout,angular/flex-layout,d3viant0ne/flex-layout,benbraou/flex-layout,brendanoffer/flex-layout,karlhaas/flex-layout,benbraou/flex-layout,brendanoffer/flex-layout,DevVersion/flex-layout,angular/flex-layout,DevVersion/flex-layout,atscott/flex-layout