Localize stuff

Author: erikao1998

src/client/locales/en.json

@@ -115,7 +115,8 @@
     "searchCourse": "Search course (input at least 4 characters)",
     "promptCount": "Prompts",
     "tokenUsage": "Used tokens",
-    "activityPeriod": "Course active"
+    "activityPeriod": "Course active",
+    "lastUpdate": "Latest release: "
   },
   "course": {
     "curreEnabled": "CurreChat is enabled for the course",

src/client/locales/fi.json

@@ -114,7 +114,8 @@
     "searchCourse": "Etsi kurssia (syötä vähintään 4 merkkiä)",
     "promptCount": "Alustukset",
     "tokenUsage": "Käytetyt tokenit",
-    "activityPeriod": "Kurssi käynnissä"
+    "activityPeriod": "Kurssi käynnissä",
+    "lastUpdate": "Viimeisin julkaisu: "
   },
   "course": {
     "curreEnabled": "CurreChat on käytössä kurssilla",

src/client/locales/sv.json

@@ -110,7 +110,8 @@
     "searchCourse": "Search course (input at least 4 characters)",
     "promptCount": "Prompts",
     "tokenUsage": "Used tokens",
-    "activityPeriod": "Course active"
+    "activityPeriod": "Course active",
+    "lastUpdate": "Latest release: "
   },
   "course": {
     "courseUpdated": "Course updated",