feat(ui): show the history in an activity view

static/i18n.js

@@ -46,7 +46,16 @@ const STRINGS = {
     "nav.imported": "Importiert",
     "nav.import": "Import",
     "nav.settings": "Libraries",
+    "nav.activity": "Aktivität",
     "nav.langToggle": "Switch to English",
+    "history.time": "Zeit",
+    "history.event": "Ereignis",
+    "history.imported": "importiert",
+    "history.appended": "ergänzt",
+    "history.relocated": "verschoben",
+    "history.retagged": "neu getaggt",
+    "history.deleted": "gelöscht",
+    "history.failed": "fehlgeschlagen",
 
     "search.languageTitle": "Sprache der Ausgabe — filtert Ebook- und Audiobook-Suche",
     "search.allLanguages": "Alle Sprachen",
@@ -270,7 +279,16 @@ const STRINGS = {
     "nav.imported": "Imported",
     "nav.import": "Import",
     "nav.settings": "Libraries",
+    "nav.activity": "Activity",
     "nav.langToggle": "Auf Deutsch umschalten",
+    "history.time": "Time",
+    "history.event": "Event",
+    "history.imported": "imported",
+    "history.appended": "appended",
+    "history.relocated": "relocated",
+    "history.retagged": "retagged",
+    "history.deleted": "deleted",
+    "history.failed": "failed",
 
     "search.languageTitle": "Edition language — filters the ebook and audiobook search",
     "search.allLanguages": "All languages",