fix: improve previews in readme

Author: ivictbor

README.md

@@ -37,30 +37,15 @@ npx adminforth create-app
 ## Previews
 
 
-<table>
-  <tr>
-    <td style="width: 40%; vertical-align: top;">
-      <a href="https://adminforth.dev/docs/tutorial/Customization/customPages">Custom Dashboard</a>
-      <br/>
-      <img src="https://github.com/user-attachments/assets/aa899196-f7f3-4582-839c-2267f2e9e197" alt="AdminForth Dashboard demo" width="500px" />
-    </td>
-    
-  </tr>
-  <tr>
-    <td style="width: 40%; vertical-align: top;">
-      <a href="https://adminforth.dev/docs/tutorial/Plugins/chat-gpt">Chat-GPT plugin</a>
-      <br/>
-      <img src="https://github.com/user-attachments/assets/cfa17cbd-3a53-4725-ab46-53c7c7666028" alt="AdminForth ChatGPT demo" width="500px" />
-    </td>
-  </tr>
-  <tr>
-    <td style="width: 40%; vertical-align: top;">
-      <a href="https://adminforth.dev/docs/tutorial/Plugins/upload/#image-generation">Image DALEE Generation</a>
-       <br/>
-      <img src="https://github.com/user-attachments/assets/b923e044-7e29-46ff-ab91-eeca5eee2b0a" alt="AdminForth DALE-E image generator demo" width="500px">
-    </td>
-  </tr>
-</table>
+<a href="https://adminforth.dev/docs/tutorial/Customization/customPages">Custom Dashboard</a>
+<br/>
+<img src="https://github.com/user-attachments/assets/aa899196-f7f3-4582-839c-2267f2e9e197" alt="AdminForth Dashboard demo" width="500px" />
+<a href="https://adminforth.dev/docs/tutorial/Plugins/chat-gpt">Chat-GPT plugin</a>
+<br/>
+<img src="https://github.com/user-attachments/assets/cfa17cbd-3a53-4725-ab46-53c7c7666028" alt="AdminForth ChatGPT demo" width="500px" />
+<a href="https://adminforth.dev/docs/tutorial/Plugins/upload/#image-generation">Image DALEE Generation</a>
+  <br/>
+<img src="https://github.com/user-attachments/assets/b923e044-7e29-46ff-ab91-eeca5eee2b0a" alt="AdminForth DALE-E image generator demo" width="500px">