Switch editing instructions from vim to nano and use kbd for keys

content/en/3.serveex/3.security/3.cloudflare.md

@@ -97,10 +97,10 @@ Create a file `tunnelconfig.yml` to reference in your SWAG `compose.yaml`.
 ::
 
 ```sh
-sudo vi /docker/swag/config/tunnelconfig.yml
+sudo nano /docker/swag/config/tunnelconfig.yml
 ```
 
-Press `i` to enter insert mode and paste:
+Paste:
 
 ```yaml
 ingress:
@@ -114,7 +114,7 @@ ingress:
   - service: http_status:404
 ```
 
-Press `Esc`, then save and exit with `:x` and `Enter`.
+Press :kbd{value="Ctrl+O"}, then :kbd{value="Enter"} to save, and :kbd{value="Ctrl+X"} to exit.
 
 ### Cloudflare Real IP Configuration
 
@@ -123,10 +123,10 @@ Now configure _Cloudflare Real IP_.
 Open the `nginx.conf` file:
 
 ```sh
-sudo vi /docker/swag/config/nginx/nginx.conf
+sudo nano /docker/swag/config/nginx/nginx.conf
 ```
 
-Press `i` and add the following at the end of the `http` section:
+Add the following at the end of the `http` section:
 
 ```nginx
 real_ip_header X-Forwarded-For;
@@ -135,7 +135,7 @@ include /config/nginx/cf_real-ip.conf;
 set_real_ip_from 127.0.0.1;
 ```
 
-Save and exit with `:x`.
+Save with :kbd{value="Ctrl+O"}, then :kbd{value="Enter"}, and exit with :kbd{value="Ctrl+X"}.
 
 ### Docker Compose