[docs-beta] migrate - dagster-cloud-cli docs (#26477)

## Summary & Motivation

## How I Tested These Changes

## Changelog

> Insert changelog entry or delete this section.

---------

Co-authored-by: Nikki Everett <[email protected]>

docs/docs-beta/docs/dagster-plus/deployment/management/dagster-cloud-cli/dagster-cloud-cli-reference.md

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 title: dagster-cloud CLI reference
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-{/* TODO copy from https://docs.dagster.io/dagster-plus/managing-deployments/dagster-plus-cli#reference */}
+## Custom configuration file path
+
+Point the CLI at an alternate config location by specifying the `DAGSTER_CLOUD_CLI_CONFIG` environment variable.
+
+## Environment variables and CLI options
+
+Environment variables and CLI options can be used in place of or to override the CLI configuration file.
+
+The priority of these items is as follows:
+
+- **CLI options** - highest
+- **Environment variables**
+- **CLI configuration** - lowest
+
+| Setting      | Environment variable         | CLI flag               | CLI config value     |
+| ------------ | ---------------------------- | ---------------------- | -------------------- |
+| Organization | `DAGSTER_CLOUD_ORGANIZATION` | `--organization`, `-o` | `organization`       |
+| Deployment   | `DAGSTER_CLOUD_DEPLOYMENT`   | `--deployment`, `-d`   | `default_deployment` |
+| User Token   | `DAGSTER_CLOUD_API_TOKEN`    | `--user-token`, `-u`   | `user_token`         |

docs/docs-beta/docs/dagster-plus/deployment/management/dagster-cloud-cli/installing-and-configuring.md

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 title: Installing and configuring the dagster-cloud CLI
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-{/* TODO copy from "Installing the CLI" and "Configuring the CLI" sections of https://docs.dagster.io/dagster-plus/managing-deployments/dagster-plus-cli */}
+:::note
+This guide is applicable to Dagster+.
+:::
 
+The `dagster-cloud` CLI is a command-line toolkit designed to work with Dagster+.
+
+In this guide, we'll cover how to install and configure the `dagster-cloud` CLI, get help, and use some helpful environment variables and CLI options.
+
+## Installing the CLI
+
+The Dagster+ Agent library is available in PyPi. To install, run:
+
+```shell
+pip install dagster-cloud
+```
+
+Refer to the [configuration section](#configuring-the-cli) for next steps.
+
+### Completions
+
+Optionally, you can install command-line completions to make using the `dagster-cloud` CLI easier.
+
+To have the CLI install these completions to your shell, run:
+
+```shell
+dagster-cloud --install-completion
+```
+
+To print out the completion for copying or manual installation:
+
+```shell
+dagster-cloud --show-completion
+```
+
+## Configuring the CLI
+
+The recommended way to set up your CLI's config for long-term use is through the configuration file, located by default at `~/.dagster_cloud_cli/config`.
+
+### Setting up the configuration file
+
+Set up the config file:
+
+```shell
+dagster-cloud config setup
+```
+
+Select your authentication method. **Note**: Browser authentication is the easiest method to configure.
+
+<details>
+<summary><strong>BROWSER AUTHENTICATION</strong></summary>
+
+The easiest way to set up is to authenticate through the browser.
+
+```shell
+$ dagster-cloud config setup
+? How would you like to authenticate the CLI? (Use arrow keys)
+ » Authenticate in browser
+   Authenticate using token
+Authorized for organization `hooli`
+
+? Default deployment: prod
+```
+
+When prompted, you can specify a default deployment. If specified, a deployment won't be required in subsequent `dagster-cloud` commands. The default deployment for a new Dagster+ organization is `prod`.
+
+</details>
+
+<details>
+<summary><strong>TOKEN AUTHENTICATION</strong></summary>
+
+Alternatively, you may authenticate using a user token. Refer to the [User tokens guide](/dagster-plus/deployment/management/tokens/user-tokens) for more info.
+
+```shell
+$ dagster-cloud config setup
+? How would you like to authenticate the CLI? (Use arrow keys)
+   Authenticate in browser
+ » Authenticate using token
+
+? Dagster+ organization: hooli
+? Dagster+ user token: *************************************
+? Default deployment: prod
+```
+
+When prompted, specify the following:
+
+- **Organization** - Your organization name as it appears in your Dagster+ URL. For example, if your Dagster+ instance is `https://hooli.dagster.cloud/`, this would be `hooli`.
+- **User token** - The user token.
+- **Default deployment** - **Optional**. A default deployment. If specified, a deployment won't be required in subsequent `dagster-cloud` commands. The default deployment for a new Dagster+ organization is `prod`.
+
+</details>
+
+### Viewing and modifying the configuration file
+
+To view the contents of the CLI configuration file, run:
+
+```shell
+$ dagster-cloud config view
+
+default_deployment: prod
+organization: hooli
+user_token: '*******************************8214fe'
+```
+
+Specify the `--show-token` flag to show the full user token.
+
+To modify the existing config, re-run:
+
+```shell
+dagster-cloud config setup
+```
+
+## Toggling between deployments
+
+To quickly toggle between deployments, run:
+
+```shell
+dagster-cloud config set-deployment <deployment_name>
+```
+
+## Getting help
+
+To view help options in the CLI:
+
+```shell
+dagster-cloud --help
+```