Update EN guide.en-gb.md

Adding storage platforms table and Pure Storage Flashblade

Author: agoude

pages/storage_and_backup/object_storage/s3_ecosystem/guide.en-gb.md

@@ -55,6 +55,12 @@ The following table provides an overview of the compatibility of our OVHcloud Ob
 | **ownCloud** | Compatible | Open-source file sync and share platform for collaboration. More details on [ownCloud](https://owncloud.com/product){.external} | [Guide](/pages/storage_and_backup/object_storage/s3_owncloud) |
 | **NextCloud Files** | Compatible | Open-source file sync and share platform for collaboration. More details on [NextCloud](https://nextcloud.com/files/){.external} | [Guide](/pages/storage_and_backup/object_storage/s3_nextcloud) |
 
+### Storage platforms
+
+| Tool/Software | Compatibility | Notes | Getting Started  |
+| --- | --- | --- | --- |
+| **Pure Storage FlashBlade** | Compatible - Certified | Officially supported as an external S3-compatible object storage replication target. | [Guide](/pages/storage_and_backup/object_storage/s3_pure_storage_flashblade) |
+
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