Add Alignment and Hide Default Launcher Options for intercom-web (#22920)

* Add Alignrment and Hide Default Launcher Options

Added Alignment and Hide default launcher options for intercom settings.

* Fixed build errors

Added Semicolon instaed of comma.

types/intercom-web/index.d.ts

@@ -8,9 +8,11 @@
 
 declare namespace Intercom_ {
   interface IntercomSettings {
+    alignment?: string;
     app_id?: string;
     email?: string;
     created_at?: number;
+    hide_default_launcher?: boolean;
     name?: string;
     user_id?: string;
     user_hash?: string;