Add feature: follow import.

Only works (and visible to the user) on PleromaBE.

src/components/user_settings/user_settings.js

@@ -129,12 +129,16 @@ const UserSettings = {
       const followList = this.followList
       this.$store.state.api.backendInteractor.followImport({params: followList})
         .then((status) => {
-          if (status) { this.followsImported = true }
-          else { this.followImportError = true }
+          if (status) {
+            this.followsImported = true
+          } else {
+            this.followImportError = true
+          }
           this.uploading[3] = false
         })
     },
     followListChange () {
+      // eslint-disable-next-line no-undef
       let formData = new FormData()
       formData.append('list', this.$refs.followlist.files[0])
       this.followList = formData