docs: update contributing

CONTRIBUTING.md

@@ -12,21 +12,23 @@ This repository hosts the font files for the [Fontsource](https://github.com/fon
 2. Fork the fontsource/font-files repository (click the <kbd>Fork</kbd> button at the top right of this page).
 3. Clone the repository locally before creating your own branch.
 
-   ```shell
-   git clone https://github.com/fontsource/font-files.git
-   git checkout -b my-font-branch main
-   ```
+**Use `--depth 1` to shallow clone the latest commit as this is an extremely large repository.**
 
-4. Create your font submission using the Fontsource CLI.
+```shell
+git clone https://github.com/fontsource/font-files.git --depth 1
+git checkout -b my-font-branch main
+```
 
-   - Run `pnpm install` in this repository to install the necessary dependencies or install the [Fontsource CLI](https://github.com/fontsource/fontsource) (`@fontsource-utils/cli`) globally with the package manager of your choice.
-   - Run `npx fontsource create` in the root of this repository and follow the necessary prompts. Ensure your submission matches the [Fontsource Submission Guidelines](#fontsource-submission-guidelines).
+1. Create your font submission using the Fontsource CLI.
+
+   - Run `bun install` in this repository to install the necessary dependencies or install the [Fontsource CLI](https://github.com/fontsource/fontsource) (`@fontsource-utils/cli`) globally with the package manager of your choice.
+   - Run `bunx fontsource create` in the root of this repository and follow the necessary prompts. Ensure your submission matches the [Fontsource Submission Guidelines](#fontsource-submission-guidelines).
    - Add the font files to the generated directory following the guidelines given in the CLI prompts.
    - Move the package into the `fonts/other` directory.
-   - Run `pnpm test` to check if your package has all the required files.
+   - Run `bun test` to check if your package has all the required files.
 
-5. On GitHub, send a pull request to fontsource/font-files:main.
-6. After your pull request is merged, you can safely delete your branch and pull changes from the main repository.
+2. On GitHub, send a pull request to fontsource/font-files:main.
+3. After your pull request is merged, you can safely delete your branch and pull changes from the main repository.
 
 ## Fontsource Submission Guidelines
 
@@ -38,6 +40,5 @@ Fontsource only accepts fonts that have a public official source (preferably Git
 - Apache License 2.0 (Apache-2.0)
 - Ubuntu Font License (UFL-1.0)
 - MIT License
-- CC0-1.0 License
 
 If you are unsure about the licensing of a font, please contact the font author.