`rad env` should be renamed to `rad environment`

[rynowak]

We should rename rad env to rad environment and provide an alias for rad env.

Take a gander at our CLI help:

Radius CLI

Usage:
  rad [command]

Available Commands:
  application      Manage Radius Applications
  bicep            Manage bicep compiler
  completion       Generates shell completion scripts
  credential       Manage cloud provider credential for a Radius installation.
  debug-logs       Capture logs from Radius control plane for debugging and diagnostics.
  deploy           Deploy a template
  env              Manage Radius Environments
  group            Manage resource groups
  help             Help about any command
  init             Initialize Radius
  install          Installs Radius for a given platform
  recipe           Manage recipes
  resource         Manage resources
  run              Run an application
  uninstall        Uninstall Radius for a specific platform
  version          Prints the versions of the rad cli
  workspace        Manage workspaces

Flags:
      --config string   config file (default "$HOME/.rad/config.yaml")
  -h, --help            help for rad
  -o, --output string   output format (supported formats are json, table) (default "table")

Use "rad [command] --help" for more information about a command.

rad env is the only place we abbreviate.

rad application has the intended design - both rad application and rad app are accepted, but rad application shows up in documentation.

This won't be a breaking change, because the alias will support all of the existing usage.

AB#13668

[radius-triage-bot]

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[radius-triage-bot]

This issue is a great one to pickup for new contributors. It should only require small changes and not assume a deep knowledge of the Radius architecture.

We always welcome community contributions! If you would like to pick this item up sooner and submit a pull request, please visit our contribution guidelines and assign this to yourself by commenting "/assign" on this issue.

For more information on our triage process please visit our triage overview

[rynowak]

We might also consider doing the same for rad init -> rad initialize.

[superbeeny]

/assign