docs(de): translate remaining reference prose

docs/de/reference/frontmatter-config.md

@@ -97,14 +97,14 @@ dir: rtl
 
 ## Standard-Theme Only
 
-The following frontmatter options are only applicable when using the default theme.
+Die folgenden Frontmatter-Optionen are only applicable when using the default theme.
 
 ### layout
 
 - Type: `doc | home | page`
 - Default: `doc`
 
-Determines the layout of the page.
+Legt das Layout der Seite fest.
 
 - `doc` - It applies default documentation styles to the markdown content.
 - `home` - Special layout for "Startseite". Du kannst add extra options such as `hero` and `features` to rapidly create beautiful landing page.
@@ -129,7 +129,7 @@ Defines items to display in features section when `layout` is set to `home`. Mor
 - Type: `boolean`
 - Default: `true`
 
-Whether to display [navbar](./default-theme-nav).
+Ob [navbar](./default-theme-nav).
 
 ```yaml
 ---
@@ -142,7 +142,7 @@ navbar: false
 - Type: `boolean`
 - Default: `true`
 
-Whether to display [sidebar](./default-theme-sidebar).
+Ob [sidebar](./default-theme-sidebar).
 
 ```yaml
 ---
@@ -172,7 +172,7 @@ aside: false
 - Type: `number | [number, number] | 'deep' | false`
 - Default: `2`
 
-The levels of header in the outline to display for the page. It's same as [config.themeConfig.outline.level](./default-theme-config#outline), and it overrides the value set in site-level config.
+Die Überschriftenebenen, die in der Seitenübersicht für die Seite angezeigt werden. It's same as [config.themeConfig.outline.level](./default-theme-config#outline), and it overrides the value set in site-level config.
 
 ```yaml
 ---
@@ -185,7 +185,7 @@ outline: [2, 4]
 - Type: `boolean | Date`
 - Default: `true`
 
-Whether to display [last updated](./default-theme-last-updated) text in the footer of the current page. If a datetime is specified, it will be displayed instead of the last git modified timestamp.
+Ob [last updated](./default-theme-last-updated) text in the footer of the current page. If a datetime is specified, it will be displayed instead of the last git modified timestamp.
 
 ```yaml
 ---
@@ -198,7 +198,7 @@ lastUpdated: false
 - Type: `boolean`
 - Default: `true`
 
-Whether to display [edit link](./default-theme-edit-link) in the footer of the current page.
+Ob [edit link](./default-theme-edit-link) in the footer of the current page.
 
 ```yaml
 ---
@@ -211,7 +211,7 @@ editLink: false
 - Type: `boolean`
 - Default: `true`
 
-Whether to display [footer](./default-theme-footer).
+Ob [footer](./default-theme-footer).
 
 ```yaml
 ---
@@ -223,7 +223,7 @@ footer: false
 
 - Type: `string`
 
-Add extra class name to a specific page.
+Füge einer bestimmten Seite einen zusätzlichen Klassennamen hinzu.
 
 ```yaml
 ---
@@ -231,7 +231,7 @@ pageClass: custom-page-class
 ---
 ```
 
-Then you can customize styles of this specific page in `.vitepress/theme/custom.css` file:
+Anschließend kannst du die Stile of this specific page in `.vitepress/theme/custom.css` file:
 
 ```css
 .custom-page-class {