MySQL phpMyAdmin Access Information (#5679)

* Updating MySQL CT with phpMyAdmin access information

* Update mysql.json

---------

Co-authored-by: Slaviša Arežina <58952836+tremor021@users.noreply.github.com>

frontend/public/json/mysql.json

@@ -39,6 +39,10 @@
         {
             "text": "With an option to install the MySQL 8.4 LTS release instead of MySQL 8.0",
             "type": "info"
+        },
+        {
+            "text": "If installed, access phpMyAdmin at `http://<LXC_IP>/phpMyAdmin`, case sensitive.",
+            "type": "info"
         }
     ]
 }