feat: Go TUI launcher (xetup.exe) + spec page new-request section
- embed.go: root package exposes Scripts/Assets embed.FS
- internal/config: Config struct, Load/Save/Default
- internal/runner: Step list, Runner with context cancel, log streaming
- internal/tui: bubbletea model - huh form (phase 1) + live log view (phase 2) + summary (phase 3)
- cmd/xetup/main.go: main binary, extracts embedded content to tmpdir, runs TUI
- Builds to 5.2 MB xetup.exe (GOOS=windows GOARCH=amd64)
spec/index.html:
- arch-xetup section: mark 5 items flag-done (code now exists)
- Add "Nove nastaveni" section linked to Forgejo issue #15
- Add sidebar link for new-requests
- Add CSS + JS for request widget (loads/posts to issue #15 comments)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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