feat: show all courses available to students (#356)

* working on the fetch explore course

* working on the showing the right course

* finished the explore courses page

* finished the explore courses page

* updated the getcourseurl

* updated the migration file

* text and spacing improvements

* update translations

---------

Co-authored-by: Rotimi Best <[email protected]>

apps/dashboard/src/lib/utils/translations/en.json

@@ -428,6 +428,7 @@
       "published": "Published",
       "unpublished": "Unpublished",
       "continue_course": "Continue Course",
+      "learn_more": "Learn more",
       "list_view": {
         "title": "Title",
         "description": "Description",
@@ -1101,6 +1102,7 @@
     "my_learning": "My Learning",
     "exercise": "Exercise",
     "community": "Community",
+    "explore": "Explore",
     "help": "Help",
     "settings": "Settings"
   },
@@ -1125,6 +1127,12 @@
     "lesson": "Lesson"
   },
 
+  "explore": {
+    "heading": "Explore our courses",
+    "empty_heading": "No course available",
+    "empty_description": "There are currently no published course available"
+  },
+
   "snackbar": {
     "success": "Success",
     "success_update": "Updated successfully",