Add de/en translation files

client/public/locales/de/translation.json

+{
+	"home": {
+		"buttonBookBoat": "Ein Boot buchen",
+    	"buttonStaffLogin": "Mitarbeiter-Login"
+	},
+    "book": {
+        "title": "Ein Boot buchen!",
+        "subtitle": "Bitte trage deine Buchungsinformationen ein",
+        "labelBoatName": "Bootname",
+        "labelStartTime": "Startzeit",
+        "labelEstimatedEndTime":"Geschätzte Rückkehrzeit",
+        "labelDestination": "Fahrtziel",
+        "labelEmail": "Deine Email",
+        "labelName": "Dein Name",
+        "labelAnnotations": "Anmerkungen (optional)",
+        "buttonBookBoat": "Boot jetzt buchen!"
+    }
+}
\ No newline at end of file

client/public/locales/en/translation.json

+{
+    "home": {
+        "buttonBookBoat": "Book a Boat",
+        "buttonStaffLogin": "Staff Login"
+    },
+    "book": {
+        "title": "Book a Boat!",
+        "subtitle": "Please enter the information for your booking",
+        "labelBoatName": "Boat name",
+        "labelStartTime": "Start time",
+        "labelEstimatedEndTime":"Estimated end time",
+        "labelDestination": "Destination",
+        "labelEmail": "Your Email",
+        "labelName": "Your Name",
+        "labelAnnotations": "Annotations (optional)",
+        "buttonBookBoat": "Book this boat!"
+    }
+}
\ No newline at end of file