Feature/readme add backer (#2236)
Feature/readme add backer (#2236)

* feat: code-fund re-positioned

* refactor: remove patreon add opencollective

* feature: change active theme position on dropdown

* feature: fixed white spaces

* feature: fixed white spaces

* refactor: fixe color theme dropdown on main page disabled

* refactor: github button on main page visible

* feat: add new vars

* feat: add sponsors btn & badge backers

* feat: add contributors & become backer button

* feat: add vue github button plugin

* feat: add post install opencollective

* feat(readme): add contributors

* feat(readme): add backers button
vuematerial/vue-material,vuematerial/vue-material