docs 📝: Update README title and compatibility matrix format

Updated the README title to be more descriptive and restructured the compatibility matrix for better readability.

README.md

@@ -1,4 +1,4 @@
-# ansible_role_proxmox_provision
+# README ansible_role_proxmox_provision
 
 > A reusable Ansible role template for for Proxmox VE
 > with a focus on provisioning and managing.  
@@ -18,7 +18,7 @@
 
 ## 📊 Compatibility Matrix
 
-| Feature                  | VE 7  | VE 8  | VE 9  |
+| Feature \ Proxmox Version|    7  |    8  |    9  |
 | ------------------------ | ----  | ----  | ----  |
 | No-subscription repo     |  ✅   |  ✅   |  ✅   |
 | Enterprise repo disabled |  ✅   |  ✅   |  ✅   |