Shorten unpkg CDN URLs to use package-level resolution

The "unpkg" field in package.json already points to dist/global.js,
so the explicit path is unnecessary.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: lpssformspree

README.md

@@ -55,7 +55,7 @@ Or via CDN (no bundler needed):
     };
   formspree('initForm', { formElement: '#my-form', formId: 'YOUR_FORM_ID' });
 </script>
-<script src="https://unpkg.com/@formspree/ajax@1/dist/global.js" defer></script>
+<script src="https://unpkg.com/@formspree/ajax@1" defer></script>
 ```
 
 See the [@formspree/ajax README](./packages/formspree-ajax/README.md) for full documentation.

examples/ajax-demo/public/global-entry.ts

@@ -1,3 +1,3 @@
 // This file simulates loading dist/global.js in the Vite dev environment.
-// In production, you'd use: <script src="https://unpkg.com/@formspree/ajax@1/dist/global.js" defer></script>
+// In production, you'd use: <script src="https://unpkg.com/@formspree/ajax@1" defer></script>
 import '@formspree/ajax/global';

examples/ajax-demo/public/index-cdn.html

@@ -71,7 +71,7 @@ <h1>Contact Form <span class="badge">CDN</span></h1>
       window.formspree=window.formspree||function(){(formspree.q=formspree.q||[]).push(arguments)};
       formspree('initForm', { formElement: '#contact-form', formId: 'YOUR_FORM_ID' });
     </script>
-    <script src="https://unpkg.com/@formspree/ajax@1/dist/global.js" defer></script>
+    <script src="https://unpkg.com/@formspree/ajax@1" defer></script>
 
     In this Vite demo, global.js is loaded via a module entry that aliases to the source.
   -->

packages/formspree-ajax/README.md

@@ -25,7 +25,7 @@ No bundler needed. Add this snippet before the closing `</body>` tag:
     };
   formspree('initForm', { formElement: '#my-form', formId: 'YOUR_FORM_ID' });
 </script>
-<script src="https://unpkg.com/@formspree/ajax@1/dist/global.js" defer></script>
+<script src="https://unpkg.com/@formspree/ajax@1" defer></script>
 ```
 
 ## Quick Start