fix(acc): add file upload info

Author: ldecarvalho-doc

pages/account/how-to/open-a-support-ticket.mdx

@@ -65,8 +65,16 @@ Example: “The Instance remains in "Starting" status for over 10 minutes and th
 
 ### Add supporting files
 
-Attach screenshots (png, jpg), or files (pdf).
-Examples:
+You can drop or browse to attach files that might be relevant to understanding your issue. You can include screenshots, PDF and text files.
+  <Message type="important">
+    Keep in mind that:
+      - You can attach up to 4 files per message and 10 files per ticket.
+      - The size of each file cannot exceed 10MB
+      - The following file formats are supported: `jpeg`, `jpg`, `png`, `pdf`, and `txt`.
+      - The uploaded data is exclusively intended to provide you with support in the use of Scaleway services. Do not transmit any inappropriate, or irrelevant sensitive data.
+  </Message>
+
+**Examples:**
 - Screenshot of the Scaleway console
 - Screenshot of the network tab of your browser’s Developer Tools (right-click anywhere on the page and select **Inspect**. Go to the **Network tab** in the Developer Tools panel.)
 - Logs