feat: add docs and dev plugins

src/plugins/built-in/test/index.ts

@@ -0,0 +1,31 @@
+import type { Plugin } from '../../core/types';
+import { BasePlugin, BooleanSetting } from '../../core/settings';
+
+class TestPluginClass extends BasePlugin {
+  @BooleanSetting({
+    default: true,
+    title: "Test Plugin",
+    description: "A test plugin for BetterSEQTA+",
+  })
+  enabled!: boolean;
+}
+
+const settingsInstance = new TestPluginClass();
+
+const testPlugin: Plugin<typeof settingsInstance.settings> = {
+  id: 'test',
+  name: 'Test Plugin',
+  description: 'A test plugin for BetterSEQTA+',
+  version: '1.0.0',
+  settings: settingsInstance.settings,
+
+  run: async (api) => {
+    console.log('Test plugin running');
+
+    api.seqta.onPageChange((page) => {
+      console.log('Page changed to', page);
+    });
+  }
+};
+
+export default testPlugin;