Merge branch '989-new-startpage-design' into 994-remove-bootsrap

public/img/App.svg

public/img/circle.svg

public/img/heart.svg

public/img/leaf.svg

public/img/lock.svg

public/img/plug-in.svg

public/img/rainbow.svg

public/img/story-plugin.svg

resources/lang/de/mg-story.php

resources/lang/en/mg-story.php

resources/less/metager/metager.less

resources/less/metager/startpage-only.less

resources/views/index.blade.php

resources/views/layouts/staticPages.blade.php

webpack.mix.js