Updated schema and documentation

docs/setup/ensuring-data-privacy.md

@@ -206,7 +206,7 @@ The following configuration options are available:
     [customization]: ../customization.md
     [strict mode]: https://www.mkdocs.org/user-guide/configuration/#strict
 
-`externals_directory`{ #externals-directory }
+`externals_dir`{ #externals-dir }
 
 :   :octicons-milestone-24: Default: `assets/externals` – This option
     specifies where the downloaded [external assets] will be stored. It's
@@ -215,7 +215,7 @@ The following configuration options are available:
     ``` yaml
     plugins:
       - privacy:
-          externals_directory: assets/externals
+          externals_dir: assets/externals
     ```
 
 `externals_exclude`{ #externals-exclude }

docs/setup/setting-up-social-cards.md

@@ -102,7 +102,7 @@ The following configuration options are available:
           cards_font: Roboto
     ```
 
-`cards_directory`{ #cards-directory }
+`cards_dir`{ #cards-dir }
 
 :   :octicons-milestone-24: Default: `assets/images/social` – This option
     specifies where the generated social card images will be written to. It's
@@ -111,7 +111,7 @@ The following configuration options are available:
     ``` yaml
     plugins:
       - social:
-          cards_directory: assets/images/social
+          cards_dir: assets/images/social
     ```
 
   [Insiders]: ../insiders/index.md