feat: code cleanup, new features and v2.0

We're merging this to continue https://github.com/filebrowser/filebrowser/pull/575 and setup translations auto-updating.

src/store/getters.js

@@ -1,4 +1,8 @@
 const getters = {
+  isLogged: state => state.user !== null,
+  isFiles: state => !state.loading && state.route.name === 'Files',
+  isListing: (state, getters) => getters.isFiles && state.req.isDir,
+  isEditor: (state, getters) => getters.isFiles && (state.req.type === 'text' || state.req.type === 'textImmutable'),
   selectedCount: state => state.selected.length
 }