Update demo-deploy-on-g5k.md

demo-deploy-on-g5k.md

@@ -20,7 +20,35 @@ kaenv3 -l
 kadeploy3 -e ubuntu1804-x64-min -m econome-9.nantes.grid5000.fr -k
 ```
 
-- steps done
+- the configuration env file for this deployment
+
+```bash
+---
+name: ubuntu1804-x64-min
+version: 2021101312
+description: ubuntu 18.04 (bionic) for x64 - min
+author: support-staff@lists.grid5000.fr
+visibility: public
+destructive: false
+os: linux
+image:
+  file: server:///grid5000/images/ubuntu1804-x64-min-2021101312.tar.zst
+  kind: tar
+  compression: zstd
+postinstalls:
+- archive: server:///grid5000/postinstalls/g5k-postinstall.tgz
+  compression: gzip
+  script: g5k-postinstall --net netplan --disk-aliases
+boot:
+  kernel: "/vmlinuz"
+  initrd: "/initrd.img"
+  kernel_params: ''
+filesystem: ext4
+partition_type: 131
+multipart: false
+```
+
+- step by step...
 
 ```bash
 Deployment #D-6db0a07f-22c5-4f82-96b2-fe0986c1c543 started