first readme updates

Author: hastmu

README.md

@@ -28,6 +28,25 @@ Service[ER][apt-cacher-ng proxy on squid-deb-proxy]@http://192.168.0.27:3142
 Service[ER][Squid deb proxy on squid-deb-proxy]@http://192.168.0.27:8000 
 ```
 
+or within apt context:
+```
+dev@dev:~$ sudo apt update
+Service[OK][Squid deb proxy on squid-deb-proxy]@http://192.168.0.27:8000 
+Service[ER][apt-cacher-ng proxy on squid-deb-proxy]@http://192.168.0.27:3142 
+Hit:1 http://local-repo.fritz.box/linstones-repo trunk InRelease
+Hit:2 http://security.debian.org/debian-security bookworm-security InRelease              
+Hit:3 http://download.proxmox.com/debian/pve bookworm InRelease                           
+Hit:4 http://packages.microsoft.com/repos/code stable InRelease                           
+Hit:5 http://deb.debian.org/debian bookworm InRelease
+Get:6 http://deb.debian.org/debian bookworm-updates InRelease [52,1 kB]
+Hit:7 https://dl.google.com/linux/chrome/deb stable InRelease
+Fetched 52,1 kB in 3s (15,9 kB/s)
+Reading package lists... Done
+Building dependency tree... Done
+Reading state information... Done
+22 packages can be upgraded. Run 'apt list --upgradable' to see them.
+```
+
 # How to install?
 
 will follow next days...