Add Windows To Go support

[Advnirr]

Summary

Adds a Windows To Go mode: instead of building Windows installer media, Lufux can now deploy a runnable, portable Windows onto the USB drive that boots and runs directly from the stick.

How it works

• Partitioning: GPT with a FAT32 ESP (~1 GiB) + an NTFS Windows partition.
• Deployment: the selected install.wim / install.esd edition is expanded straight onto the NTFS partition with wimlib-imagex apply (no FAT32 4 GiB split needed — NTFS holds the expanded image).
• Boot: the UEFI bootloader (bootmgfw.efi) is copied from the deployed image to the ESP (/EFI/Boot/bootx64.efi + /EFI/Microsoft/Boot/), boot resources are copied, and a BCD store is seeded from the image's BCD-Template.

No new dependencies — it reuses the existing toolset (wimlib, parted, dosfstools, ntfs-3g).

UI / UX

• A "Windows To Go" checkbox appears on the ISO step, only when OS type = Windows.
• Enabling it forces GPT/UEFI and hides the partition-scheme selector.
• The summary step and the flashing worker honour the new mode.
• Fully localized (EN/RU), both the UI strings and the script status messages, matching the existing localization pattern.

Security

The new deploy script follows the same hardening as the rest of the project: ISO/device paths are passed as positional parameters ($1/$2, never interpolated/shell-evaluated), and mount points use mktemp -d (no predictable /tmp paths).

Testing

• bash -n on the generated script (EN + RU) — OK.
• App launches cleanly; functional GUI test verifies the checkbox visibility, scheme hiding, summary text, and that the worker selects the correct script (WTG vs installer) with the right arguments.
• ⚠️ Not yet validated on real hardware — actually booting a produced Windows To Go drive (especially the BCD setup) should be tested on a physical UEFI machine before release. The boot config is seeded from the image's BCD template; on Linux there is no bcdboot, so this is the area most likely to need refinement.

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