fix(edge): add to product availability (#3979)

Author: RoRoJ

console/account/reference-content/products-availability.mdx

@@ -42,6 +42,7 @@ Scaleway products are available in multiple regions and locations worldwide. Thi
 | **Network**               | Private Networks                      | Across Paris region    | Across Amsterdam region | Across Warsaw region   |
 |                           | Public Gateway                        | PAR1, PAR2, PAR3       | AMS1, AMS2, AMS3        | WAW1, WAW2, WAW3       |
 |                           | Load Balancer                         | PAR1, PAR2, PAR3       | AMS1, AMS2, AMS3        | WAW1, WAW2, WAW3       |
+|                           | Edge Services                         | Global                 | Global                  | Global                 |
 |                           | Domains and DNS                       | Automatically assigned | Automatically assigned  | Automatically assigned |
 | **Serverless**            | Containers                            | Across Paris region    | Across Amsterdam region | Across Warsaw region   |
 |                           | Functions                             | Across Paris region    | Across Amsterdam region | Across Warsaw region   |