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README.md

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+# NixOS Font Registry
+
+<div align="center">
+  <a href="https://github.com/Takamatsu-Naoki/access/blob/main/LICENSE">
+    <img alt="LICENSE" src="https://img.shields.io/badge/license-MIT-blue.svg?maxAge=43200">
+  </a>
+</div>
+<br/>
+
+This repository serves as a Nix registry for a small collection of open source fonts, primarily focused on Japanese fonts with a few English fonts included. It demonstrates how to create a custom flake registry and can be used to install custom fonts on NixOS.
+
+## Usage
+
+To use this repository as a Nix registry and install the fonts, follow the steps below.
+
+### Step 1: Add the Registry
+
+First, add this repository as as flake registry in your NixOS configuration (`flake.nix`).
+
+```nix
+{
+  inputs = {
+    nixos-fonts.url = "github:Takamatsu-Naoki/nixos-fonts";
+  };
+}
+```
+
+### Step 2: Import Fonts
+
+Then, you can import the fonts into your NixOS configuration (`configuration.nix`). For example:
+
+```nix
+{ inputs, pkgs, ... }:
+
+{
+  fonts = {
+    packages = with pkgs; [
+      noto-fonts
+      noto-fonts-cjk-serif
+      noto-fonts-cjk-sans
+    ] ++ (with inputs.nixos-fonts.packages.x86_64-linux; [
+      anzu-moji
+      azukifont
+      rii-tegaki-fude
+    ]);
+  };
+```
+
+### Step 3: Rebuild NixOS
+
+Finally, apply the changes by rebuilding your NixOS system:
+
+```sh
+sudo nixos-rebuild switch --flake .
+```
+
+## Example Usage
+To demonstrate how to make a custom flake registry, this repository is structured in a way that allows you to easily add more fonts and extend the registry.
+
+## License
+This project is licensed under the MIT License. See the LICENSE file for details.