basics of AI provider system

vue3/src/locales/de.json

@@ -2,6 +2,7 @@
   "AI": "AI",
   "AIImportSubtitle": "Verwende AI um Fotos von Rezepten zu importieren.",
   "API": "API",
+  "APIKey": "API Schlüssel",
   "Summary": "Zusammenfassung",
   "Structured": "Strukturiert",
   "API_Browser": "API Browser",
@@ -307,6 +308,7 @@
   "Monday": "Montag",
   "Month": "Monat",
   "More": "Mehr",
+  "Model": "Modell",
   "Move": "Verschieben",
   "MoveCategory": "Verschieben nach: ",
   "MoveToStep": "Verschieben in Schritt",

vue3/src/locales/en.json

@@ -2,6 +2,7 @@
   "AI": "AI",
   "AIImportSubtitle": "Use AI to import images of recipes.",
   "API": "API",
+  "APIKey": "API key",
   "API_Browser": "API Browser",
   "API_Documentation": "API Docs",
   "AccessTokenHelp": "Access keys for the REST API.",
@@ -305,6 +306,7 @@
   "Monday": "Monday",
   "Month": "Month",
   "More": "More",
+  "Model": "Model",
   "Move": "Move",
   "MoveCategory": "Move To: ",
   "MoveToStep": "Move to Step",