Update de.json (#871)

Added some translations

de.json

@@ -1899,18 +1899,18 @@
 		}
 	},
 	"pdf": {
-		"action-highlight-all": "Highlight all",
+		"action-highlight-all": "Alles markieren",
 		"action-match-diacritics": "Match diacritics",
-		"action-whole-words": "Whole words",
+		"action-whole-words": "Ganze Wörter",
 		"action-show-thumbnails": "Thumbnails",
 		"action-show-outline": "Table of contents",
 		"action-reveal-in-outline": "Reveal page in table of contents",
 		"action-toggle-sidebar": "Toggle sidebar",
-		"action-previous-page": "Previous page",
-		"action-next-page": "Next page",
+		"action-previous-page": "Vorherige Seite",
+		"action-next-page": "Nächste Seite",
 		"action-fit-width": "Fit width",
 		"action-fit-height": "Fit height",
-		"action-save-p-d-f-location": "Save current position in document",
+		"action-save-p-d-f-location": "Speichere den aktuellen Stand im Dokument",
 		"action-copy-annotation": "Copy annotation",
 		"action-copy-quote": "Copy as quote",
 		"action-copy-selection-link": "Copy link to selection",
@@ -1921,9 +1921,9 @@
 		"msg-max-search-results": "{{current}} of over {{limit}} matches",
 		"msg-search-count": "{{current}} of {{total}} match",
 		"msg-search-count_plural": "{{current}} of {{total}} matches",
-		"msg-password-protected": "This PDF is password protected",
-		"msg-invalid-password": "Invalid password",
-		"msg-enter-password": "Enter the password below",
+		"msg-password-protected": "Diese PDF-Datei ist passwortgeschützt",
+		"msg-invalid-password": "Falsches Passwort",
+		"msg-enter-password": "Gebe hier das Passwort ein",
 		"label-of-pages": "of {{count}}",
 		"label-page-of-pages": "({{current}} of {{count}})",
 		"label-spread-single": "Single page",
@@ -1942,12 +1942,12 @@
 	"properties": {
 		"types": {
 			"option-multitext": "List",
-			"option-unknown": "Unknown",
+			"option-unknown": "Unbekannt",
 			"option-text": "Text",
 			"option-aliases": "Aliases",
 			"option-tags": "Tags",
-			"option-date": "Date",
-			"option-datetime": "Date & time",
+			"option-date": "Datum",
+			"option-datetime": "Datum und Uhrzeit",
 			"option-number": "Number",
 			"option-checkbox": "Checkbox"
 		},
@@ -1987,4 +1987,4 @@
 		"theme-with-count": "{{count}} Farbschema",
 		"theme-with-count_plural": "{{count}} Farbschemen"
 	}
-}
+}