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/components/buttons/Copy.vue

@@ -9,7 +9,7 @@
 export default {
   name: 'copy-button',
   methods: {
-    show: function (event) {
+    show: function () {
       this.$store.commit('showHover', 'copy')
     }
   }