docs: README + gitignore

.gitignore

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+*.bak.*

README.md

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+# bootstrap
+
+Turn a fresh Debian/Ubuntu/Arch VPS into a familiar workstation in one command. Detects the distro, installs a curated CLI package set, sets up zsh + oh-my-zsh with your ported config, brings your nvim config, hardens sane system defaults, and reports state.
+
+## Usage
+
+```sh
+curl -fsSL <shortener> | bash
+# run everything non-interactively:
+curl -fsSL <shortener> | bash -s -- --yes
+# run a single step:
+curl -fsSL <shortener> | bash -s -- --only packages
+```
+
+The shortener points at the **raw `install.sh`** in this repo, which clones the
+full repo to `~/.bootstrap` and runs `setup.sh`. To update: `cd ~/.bootstrap &&
+git pull` (or just re-run the one-liner — it pulls existing clones).
+
+Re-run individual steps locally after the initial bootstrap:
+
+```sh
+bash ~/.bootstrap/setup.sh --only shell-zsh
+bash ~/.bootstrap/setup.sh --only hardening
+```
+
+## Steps
+
+| # | step        | what it does                                                       |
+|---|-------------|--------------------------------------------------------------------|
+| 0 | preflight   | verify distro + network + privileges                               |
+| 1 | packages    | git, byobu, ufw, mosh, btop, eza, fzf, ripgrep, bat, zoxide, jq, fd, tree, ncdu, lazygit, starship, … (+ `yay` on Arch) |
+| 2 | docker      | Docker engine + compose v2 plugin, `$USER` in `docker` group        |
+| 3 | angie       | Angie (nginx fork) web server                                      |
+| 4 | shell-zsh   | zsh + oh-my-zsh + plugins, set default shell, ship config          |
+| 5 | nvm         | nvm → `~/.nvm` + Node LTS                                           |
+| 6 | nvim        | clone `g.mk.fo/bootstrap/nvim-minimal` → `~/.config/nvim`          |
+| 7 | hardening   | ssh (key-only root), ufw, updates, unattended-upgrades, tz, hostname, swapfile, locale, fail2ban |
+| 8 | sanity      | read-only report + recommended manual follow-ups                    |
+
+Every step is idempotent — re-running is safe.
+
+## Zsh plugins enabled (oh-my-zsh)
+
+`git sudo command-not-found colored-man-pages extract copypath dirhistory`
+plus, cloned into `$ZSH_CUSTOM`: `zsh-autosuggestions`,
+`zsh-syntax-highlighting` (loaded last), `zsh-completions`,
+`history-substring-search`, `fzf-tab`. Prompt: **starship**.
+
+## Config layout (shipped to `~/.config/zsh`)
+
+```
+config/zsh/
+  zshrc              # main config (sources the pieces below)
+  path.zsh           # PATH + env (XDG, EDITOR, LANG, nvm, pnpm)
+  aliases.zsh        # ported from fish + curated defaults
+  aliases-extras.zsh # your personal additions (preserved across re-runs)
+  functions.zsh      # mcd, conf, so, ssh-wrapper, dot-expansion
+  plugins.zsh        # omz plugin list + load oh-my-zsh
+```
+
+`~/.zshrc` is a tiny shim that sets `ZDOTDIR=~/.config/zsh` and sources the
+real config there — keeps omz "happy" while your config lives under XDG.
+
+## Hardening choices
+
+- **SSH**: `PermitRootLogin prohibit-password` + `PasswordAuthentication no`.
+  Root key login stays available; password login is disabled. A backup is
+  made and `sshd -t` runs before reload. **Always keep your current session
+  open and test a new login before closing it.**
+- **ufw**: deny incoming, allow `22/tcp`, `60000:61000/udp` (mosh),
+  `80,443/tcp` (angie).
+- **updates + unattended-upgrades** (Debian), system upgrade on Arch.
+- **timezone** (default UTC), **hostname** (optional).
+- **swapfile** 2G if RAM < 2G and no swap present.
+- **locale** en_US.UTF-8.
+- **fail2ban** with an sshd jail.
+
+## Supported hosts
+
+- Debian / Ubuntu (via apt)
+- Arch (via pacman + yay for AUR)
+- Architectures: `amd64`, `arm64`
+
+## Notes
+
+- `aliases-extras.zsh` is seeded once and then left alone — re-running the
+  shell-zsh step won't clobber your personal aliases.
+- On Debian, `fd`/`bat` ship as `fdfind`/`batcat`; symlinks to the canonical
+  names are created in `~/.local/bin` (which is on `PATH` via `path.zsh`).
+- Some Go/Rust CLIs (`dust`, `duf`, `procs`, `lazygit`) are fetched from
+  the latest GitHub release tarball when the distro package is missing; this
+  is best-effort and warned (not fatal) on failure.