docs(bls): update

Author: SamyOubouaziz

pages/block-storage/how-to/delete-a-snapshot.mdx

@@ -29,3 +29,15 @@ categories:
     <Message type="important">
       This action permanently deletes your snapshot and all the data it contains. If you do not want to lose this data, make a backup before deleting the snapshot.
     </Message>
+
+Alternatively, you can delete a Block Storage snapshot the following way:
+
+1. Click **Block Storage** in the **Storage** section of the Scaleway console side menu. The Block Storage page displays.
+2. Click the **Snapshots** tab. A list of your snapshots displays.
+3. Click the name of the snapshot you want to use to create a new volume. The Snapshot overview displays.
+4. Click **Delete snapshot** at the bottom of the page. A confirmation pop-up displays.
+5. Type `DELETE` to confirm.
+6. Click **Delete this snapshot**.
+    <Message type="important">
+      This action permanently deletes your snapshot and all the data it contains. If you do not want to lose this data, make a backup before deleting the snapshot.
+    </Message>