feat: smart VM provisioning and UEFI improvements

[jackaltx]

Summary

• Added smart template selection by distribution name
• Implemented auto-VMID allocation (finds next available ID)
• Added auto-naming with prefix/suffix support
• Enabled Secure Boot for UEFI templates
• Fixed become-password-file conflicts in platform scripts
• Comprehensive documentation updates

Key Features

• Smart Template Lookup: Specify distribution by name (e.g., rocky10) instead of template ID
• Auto-VMID: Automatically finds next available VMID when not specified
• Auto-Naming: Generates VM names from templates with custom prefix/suffix
• Secure Boot: Pre-enrolled keys for UEFI templates
• Improved Filtering: Template selection filters by exact name match

Test Plan

• Template creation with Secure Boot enabled
• Auto-VMID allocation across VMID ranges
• Auto-naming with distribution-based patterns
• Template lookup by distribution name
• Become password file handling in scripts
• Documentation accuracy

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