Add README with TODO checklist for the porting effort

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

README.md

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+# Yino
+
+**Yino Is Not Omarchy** — an opinionated Debian-based desktop OS, ported from [Omarchy](https://github.com/basecamp/omarchy).
+
+## Docs
+
+- [Functional Specification](docs/yino-fsd.md)
+- [Omarchy Analysis](docs/Omarchy.md)
+
+## TODO
+
+- [ ] Set up development environment (QEMU VM for testing)
+- [ ] Create ISO generation pipeline (Debian ISO with unattended install that triggers Yino installer)
+- [ ] Configure boot and full disk encryption (LUKS, initramfs, bootloader) as part of unattended install
+- [ ] Port Omarchy installer to Debian (runs post-install, equivalent of Omarchy's phase 2-5 scripts)
+- [ ] Get Hyprland running via the installer with essential dotfiles
+
+### Unsorted pool (future work, not yet prioritized)
+
+- Set up custom Debian package repository (replaces Omarchy's OPR/AUR)
+- Port package management layer (pacman to apt, adapt install scripts)
+- Build and package full Hyprland ecosystem (Hypridle, Hyprlock, Hyprsunset, UWSM)
+- Port desktop environment stack (Waybar, Walker, Mako, SwayOSD)
+- Build and package applications not in Debian repos (Ghostty, etc.)
+- Port configuration and dotfiles system (3-layer: Default, Theme, User)
+- Port theming system
+- Port security configuration (UFW firewall, GPG setup)
+- Set up upstream tracking workflow for basecamp/omarchy