feat!: move msteams to plugin

extensions/msteams/index.ts

@@ -0,0 +1,14 @@
+import type { ClawdbotPluginApi } from "../../src/plugins/types.js";
+
+import { msteamsPlugin } from "./src/channel.js";
+
+const plugin = {
+  id: "msteams",
+  name: "Microsoft Teams",
+  description: "Microsoft Teams channel plugin (Bot Framework)",
+  register(api: ClawdbotPluginApi) {
+    api.registerChannel({ plugin: msteamsPlugin });
+  },
+};
+
+export default plugin;