Add Chef package registry (#22554)

This PR implements a [Chef registry](https://chef.io/) to manage
cookbooks. This package type was a bit complicated because Chef uses RSA
signed requests as authentication with the registry.


![grafik](https://user-images.githubusercontent.com/1666336/213747995-46819fd8-c3d6-45a2-afd4-a4c3c8505a4a.png)


![grafik](https://user-images.githubusercontent.com/1666336/213748145-d01c9e81-d4dd-41e3-a3cc-8241862c3166.png)

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

1 files changed, 96 insertions, 0 deletions

diff --git a/docs/content/doc/packages/chef.en-us.md b/docs/content/doc/packages/chef.en-us.md
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+---
+date: "2023-01-20T00:00:00+00:00"
+title: "Chef Packages Repository"
+slug: "packages/chef"
+draft: false
+toc: false
+menu:
+  sidebar:
+    parent: "packages"
+    name: "Chef"
+    weight: 5
+    identifier: "chef"
+---
+
+# Chef Packages Repository
+
+Publish [Chef](https://chef.io/) cookbooks for your user or organization.
+
+**Table of Contents**
+
+{{< toc >}}
+
+## Requirements
+
+To work with the Chef package registry, you have to use [`knife`](https://docs.chef.io/workstation/knife/).
+
+## Authentication
+
+The Chef package registry does not use an username:password authentication but signed requests with a private:public key pair.
+Visit the package owner settings page to create the necessary key pair.
+Only the public key is stored inside Gitea. if you loose access to the private key you must re-generate the key pair.
+[Configure `knife`](https://docs.chef.io/workstation/knife_setup/) to use the downloaded private key with your Gitea username as `client_name`.
+
+## Configure the package registry
+
+To [configure `knife`](https://docs.chef.io/workstation/knife_setup/) to use the Gitea package registry add the url to the `~/.chef/config.rb` file.
+
+```
+knife[:supermarket_site] = 'https://gitea.example.com/api/packages/{owner}/chef'
+```
+
+| Parameter | Description |
+| --------- | ----------- |
+| `owner`   | The owner of the package. |
+
+## Publish a package
+
+To publish a Chef package execute the following command:
+
+```shell
+knife supermarket share {package_name}
+```
+
+| Parameter      | Description |
+| -------------- | ----------- |
+| `package_name` | The package name. |
+
+You cannot publish a package if a package of the same name and version already exists. You must delete the existing package first.
+
+## Install a package
+
+To install a package from the package registry, execute the following command:
+
+```shell
+knife supermarket install {package_name}
+```
+
+Optional you can specify the package version:
+
+```shell
+knife supermarket install {package_name} {package_version}
+```
+
+| Parameter         | Description |
+| ----------------- | ----------- |
+| `package_name`    | The package name. |
+| `package_version` | The package version. |
+
+## Delete a package
+
+If you want to remove a package from the registry, execute the following command:
+
+```shell
+knife supermarket unshare {package_name}
+```
+
+Optional you can specify the package version:
+
+```shell
+knife supermarket unshare {package_name}/versions/{package_version}
+```
+
+| Parameter         | Description |
+| ----------------- | ----------- |
+| `package_name`    | The package name. |
+| `package_version` | The package version. |