Label terminal commands and directory trees in code blocks

content/en/3.serveex/3.security/1.wireguard.md

@@ -62,7 +62,7 @@ __Warning__: If your IP is not static, use a Dynamic DNS service ([DynDNS](https
 
 ### Folder Structure
 
-```sh
+```text [Directory tree]
 root
 └── docker
     └── wg-easy
@@ -173,7 +173,7 @@ We assume the client server runs Linux with Docker installed.
 
 ### Folder Structure
 
-```sh
+```text [Directory tree]
 root
 └── docker
     └── wireguard
@@ -184,7 +184,7 @@ root
 
 Create the folder:
 
-```sh
+```bash [Terminal]
 sudo mkdir -p /docker/wireguard/config/wg_confs
 ```
 
@@ -194,7 +194,7 @@ sudo mkdir -p /docker/wireguard/config/wg_confs
 
 Create the `wg0.conf` file:
 
-```sh
+```bash [Terminal]
 sudo nano /docker/wireguard/config/wg_confs/wg0.conf
 ```
 
@@ -202,7 +202,7 @@ Paste the downloaded configuration, then save with :kbd{value="Ctrl+O"}, :kbd{va
 
 ::tip
 ✨ **Alternative method:** Transfer the file via SFTP and move it:
-```sh
+```bash [Terminal]
 sudo cp ~/wg0.conf /docker/wireguard/config/wg_confs
 ```
 ::
@@ -230,7 +230,7 @@ services:
 ```
 
 Start the container:
-```sh
+```bash [Terminal]
 cd /docker/wireguard
 sudo docker compose up -d
 ```