Allowing "Known remotes" to be import and exported

ui/widgets/connect.vue

@@ -46,6 +46,8 @@
         v-if="tab === 'known' && !inputting"
         :knowns="knowns"
         :launcher-builder="knownsLauncherBuilder"
+        :knowns-export="knownsExport"
+        :knowns-import="knownsImport"
         @select="selectKnown"
         @remove="removeKnown"
         @clear-session="clearSessionKnown"
@@ -106,6 +108,14 @@ export default {
       type: Function,
       default: () => []
     },
+    knownsExport: {
+      type: Function,
+      default: () => []
+    },
+    knownsImport: {
+      type: Function,
+      default: () => []
+    },
     connectors: {
       type: Array,
       default: () => []