docs: fix unsupported languages

docs/admins/04-networking.md

@@ -24,7 +24,7 @@ crucial.
    };
    ```
 3. **Update the Controller Machine**: Execute the following:
-   ```console
+   ```bash
    $ clan machines update <CONTROLLER>
    ```
    Your machine is now operational as the VPN controller.
@@ -43,24 +43,24 @@ To introduce a new machine to the VPN, adhere to the following steps:
    }
    ```
 2. **Update the New Machine**: Execute:
-   ```console
+   ```bash
    $ clan machines update <NEW_MACHINE>
    ```
    Replace `<NEW_MACHINE>` with the designated new machine name.
 3. **Retrieve the ZeroTier ID**: On the `new_machine`, execute:
-   ```console
+   ```bash
    $ sudo zerotier-cli info
    ```
    Example Output: `200 info d2c71971db 1.12.1 OFFLINE`, where `d2c71971db` is
    the ZeroTier ID.
 4. **Authorize the New Machine on Controller**: On the controller machine,
    execute:
-   ```console
+   ```bash
    $ sudo zerotier-members allow <ID>
    ```
    Substitute `<ID>` with the ZeroTier ID obtained previously.
 5. **Verify Connection**: On the `new_machine`, re-execute:
-   ```console
+   ```bash
    $ sudo zerotier-cli info
    ```
    The status should now be "ONLINE" e.g., `200 info 47303517ef 1.12.1 ONLINE`.