Fix course link

The <a> tag was empty so the link wasn't working. Putting it around the table makes it work.
I've also updated the github urls at the bottom.

README.md

@@ -7,6 +7,7 @@ sdk: static
 pinned: false
 ---
 
+<a href="https://huggingface.co/learn/smol-course/unit0/1" style="color: #FFFFFF; font-weight: bold; text-decoration: none;">
 <table width="100%" style="border-collapse: collapse;">
   <tr>
     <td style="
@@ -18,12 +19,11 @@ pinned: false
       ">
       <p style="margin: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji'; font-size: 16px; font-weight: 500; color: #FFFFFF;">
         🚀 New Course material is LIVE! &nbsp;|&nbsp;  Follow the org to sign up
-        <a href="https://huggingface.co/learn/smol-course/unit0/1" style="color: #FFFFFF; font-weight: bold; text-decoration: none;">
-        </a>
       </p>
     </td>
   </tr>
 </table>
+</a>
 
 ![Fine-Tuning Course thumbnail](https://github.com/huggingface/smol-course/blob/9cecab3b1eee7262413b4dfd97e92ad75ffe903e/banner.png?raw=true)
 
@@ -156,9 +156,9 @@ We would like to extend our gratitude to the following individuals and partners
 
 Contributions are **welcome** 🤗
 
-* If you _found a bug 🐛 in a notebook_, please [open an issue](https://github.com/huggingface/mcp-course/issues/new) and **describe the problem**.
-* If you _want to improve the course_, you can [open a Pull Request](https://github.com/huggingface/mcp-course/pulls).
-* If you _want to add a full section or a new unit_, the best is to [open an issue](https://github.com/huggingface/mcp-course/issues/new) and **describe what content you want to add before starting to write it so that we can guide you**.
+* If you _found a bug 🐛 in a notebook_, please [open an issue](https://github.com/huggingface/smol-course/issues/new) and **describe the problem**.
+* If you _want to improve the course_, you can [open a Pull Request](https://github.com/huggingface/smol-course/pulls).
+* If you _want to add a full section or a new unit_, the best is to [open an issue](https://github.com/huggingface/smol-course/issues/new) and **describe what content you want to add before starting to write it so that we can guide you**.
 
 ## I still have questions