Update docs for dictionary artifact (Homebrew#26062)

USAGE.md

@@ -179,6 +179,8 @@ will be moved. Default is `/Applications`.
 Default is `~/Library/PreferencePanes`
 * `--qlplugindir=/my/path` changes the path for Quicklook Plugins.
 Default is `~/Library/QuickLook`
+* `--dictionarydir=/my/path` changes the path for Dictionaries.
+Default is `~/Library/Dictionaries`
 * `--fontdir=/my/path` changes the path for Fonts.
 Default is `~/Library/Fonts`
 * `--input_methoddir=/my/path` changes the path for Input Methods.

doc/cask_language_reference/all_stanzas.md

@@ -22,6 +22,7 @@ Each Cask must declare one or more *artifacts* (i.e. something to install).
 | `pkg`              | yes                           | relative path to a `.pkg` file containing the distribution (see also [Pkg Stanza Details](stanzas/pkg.md))
 | `binary`           | yes                           | relative path to a Binary that should be linked into the `/usr/local/bin` folder on installation
 | `colorpicker`      | yes                           | relative path to a ColorPicker plugin that should be moved into the `~/Library/ColorPickers` folder on installation
+| `dictionary`       | yes                           | relative path to a Dictionary that should be moved into the `~/Library/Dictionaries` folder on installation
 | `font`             | yes                           | relative path to a Font that should be moved into the `~/Library/Fonts` folder on installation
 | `input_method`     | yes                           | relative path to a Input Method that should be moved into the `~/Library/Input Methods` folder on installation
 | `internet_plugin`  | yes                           | relative path to a Service that should be moved into the `~/Library/Internet Plug-Ins` folder on installation

doc/cask_language_reference/readme.md

@@ -146,6 +146,7 @@ pkg
 installer
 binary
 colorpicker
+dictionary
 font
 input_method
 internet_plugin

doc/cask_language_reference/stanzas/app.md

@@ -36,7 +36,7 @@ artifact 'openman.1', target: '/usr/local/share/man/man1/openman.1'
 
 ## target: Works on Most Artifact Types
 
-The `target:` key works similarly for most Cask artifacts, such as `app`, `binary`, `colorpicker`, `font`, `input_method`, `prefpane`, `qlplugin`, `service`, `suite`, and `artifact`.
+The `target:` key works similarly for most Cask artifacts, such as `app`, `binary`, `colorpicker`, `dictionary`, `font`, `input_method`, `prefpane`, `qlplugin`, `service`, `suite`, and `artifact`.
 
 ## target: Should Only Be Used in Select Cases