npm install example in readme

[awinogradov]

Remove bower – it's old way

[belozer]

@awinogradov But why?

npm for backend
bower for frontend

I don't understand why bower is outdated

[awinogradov]

What? Are you sure? ;)
https://www.npmjs.com/search?q=bem
https://www.npmjs.com/search?q=react
https://www.npmjs.com/search?q=vue
https://www.npmjs.com/search?q=ember

[belozer]

@awinogradov
I'm definitely not sure. I look up to bem-forms, bem-components and project-stub. Now I'm utterly confused.