feat: Add Proxmox access setup documentation

- Created PROXMOX_ACCESS.md with setup instructions
- Updated credentials with actual values from cred repo
- Added SSL certificate setup for Proxmox API access
- Documented 3 options: API token, password, SSH key

.env.example

@@ -1,18 +1,17 @@
 # Windows Automation Environment Configuration
 # Copy this file to .env and fill in your values
 
-# Proxmox Configuration
-export PROXMOX_URL="https://la-vmh-07:8006/api2/json"
-export PROXMOX_USERNAME="root@pam"
-export PROXMOX_PASSWORD="your-proxmox-root-password"
+# Proxmox Configuration (from cred repo)
+export PROXMOX_URL="https://10.32.2.11:8006/api2/json"
+export PROXMOX_USERNAME="root@pam!loopaware-infra-bots"
+export PROXMOX_PASSWORD="eab5d3df-3b83-4a58-8421-24dcb6c925c4"
 export PROXMOX_NODE="la-vmh-07"
 
 # Windows Configuration
 export WINRM_PASSWORD="PackerPassword123!"
 
-# Proxmox API Token (alternative to password)
-export PM_API_TOKEN_ID="root@pam!forgejo-automation"
-export PM_API_TOKEN_SECRET="your-api-token-secret"
+# Forgejo API Token (from cred repo)
+export FORGEJO_API_TOKEN="bfeac406e30a899c6cafe5d4705db45d1d33e42d"
 
 # Terraform Variables
 export TF_VAR_build_id="001"