update README

.github/README.md

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-# dotfiles
+# Dotfiles
-A collection of my dotfiles (configuration files)
+
+![Screenshot showing different components of my default setup](./images/screenshot0.png)
+
+![OS Support](https://img.shields.io/badge/os-macOS%20%7C%20Linux%20%7C%20WSL-blue)
+![Managed with yadm](https://img.shields.io/badge/managed%20with-yadm-green)
+![License](https://img.shields.io/github/license/cdanesi/dotfiles)
+
+My personal dotfiles for macOS, Linux, and WSL environments, managed with [yadm](https://yadm.io/).
+
+## Features
+
+- **Cross-platform support:** macOS, Linux, and WSL
+- **Managed with yadm:** simple, portable, git-based dotfile management
+- **Bootstrapping:** automatically sets up environment on new systems
+- **OS/device-specific configurations:**
+  - macOS: [Karabiner](./.config/karabiner), [Aerospace](./.config/aerospace)
+  - Linux: [i3](./.config/i3)
+- **Configurations include:**
+  - **Custom macOS keybindings:**
+    - `CapsLock` remapped as `ESC` if tapped, `Hyper` if held
+    - Keyboard layers
+    - Hyper+hjkl navigation
+  - **[zsh](./.zshrc):**
+    - Vi-mode keybindings `ESC` or `jk`
+    - [powerlevel10k](https://github.com/romkatv/powerlevel10k) theme
+    - Oh My Zsh plugins (git, z, fzf, others)
+    - [fzf](https://github.com/junegunn/fzf) integration for fuzzy history search and directory switching
+    - [zoxide](https://github.com/ajeetdsouza/zoxide) for smarter directory jumping
+    - Custom aliases and functions
+  - **[Aliases](./aliases):** common utilities and shortcuts
+  - **[Neovim](./.config/nvim):** modern, Lua-based configuration with:
+    - Syntax highlighting
+    - Treesitter integration
+    - LSP setup for multiple languages
+    - Fuzzy finding with Telescope
+    - Autocompletion with nvim-cmp
+    - Git integration via `gitsigns`
+    - Custom key mappings and quality-of-life plugins
+  - **[tmux](./.tmux.conf):** plugin-managed configuration with:
+    - `tmux-resurrect` and `tmux-continuum` for session persistence
+    - Improved status bar with battery/network indicators
+    - Vi-style keybindings and pane navigation shortcuts
+    - Fuzzy search session switching
+    - Custom user menu
+    - Nested tmux session support
+    - Mouse support
+  - **[Git](./.gitconfig):** configured to use [delta](https://github.com/dandavison/delta) for syntax-highlighted diffs
+  - **[WezTerm](./.config/wezterm):** font, color scheme, and platform-specific tweaks
+  - **[Nano](./.config/nano):** sensible options, syntax highlighting
+  - Other terminal utilities and custom scripts
+
+## Installation
+
+Clone with yadm:
+
+```sh
+yadm clone https://github.com/cdanesi/dotfiles.git
+```
+
+Follow any bootstrap/setup instructions prompted by yadm on first run.
+
+## Contributing
+
+Open an issue if you find bugs, have suggestions, or want to request new features.
+
+---
+
+© Charles D - MIT License