Plugins: Add support for joplin.plugins.require API to allow using sqlite3 or fs-extra from a plugin

packages/app-cli/tests/support/plugins/nativeModule/api/JoplinViewsToolbarButtons.d.ts

@@ -0,0 +1,16 @@
+import { ToolbarButtonLocation } from './types';
+import Plugin from '../Plugin';
+/**
+ * Allows creating and managing toolbar buttons.
+ *
+ * [View the demo plugin](https://github.com/laurent22/joplin/tree/dev/packages/app-cli/tests/support/plugins/register_command)
+ */
+export default class JoplinViewsToolbarButtons {
+    private store;
+    private plugin;
+    constructor(plugin: Plugin, store: any);
+    /**
+     * Creates a new toolbar button and associate it with the given command.
+     */
+    create(id: string, commandName: string, location: ToolbarButtonLocation): Promise<void>;
+}