push (#414)

types/storage.ts

@@ -1,5 +1,6 @@
 import { Conversation } from './chat';
 import { Folder } from './folder';
+import { PluginKey } from './plugin';
 import { Prompt } from './prompt';
 
 // keep track of local storage schema
@@ -15,4 +16,6 @@ export interface LocalStorage {
   // added showChatbar and showPromptbar (3/26/23)
   showChatbar: boolean;
   showPromptbar: boolean;
+  // added plugin keys (4/3/23)
+  pluginKeys: PluginKey[];
 }