feat: create CourseCard component for displaying course details, progress, and actions

Frontend-Learner/components/course/CourseCard.vue

@@ -83,12 +83,7 @@ const displayDescription = computed(() => getLocalizedText(props.description))
           {{ level }}
         </span>
       </div>
-      <div v-if="price" 
-        class="absolute top-4 right-4 px-3 py-1 rounded-full text-xs font-black shadow-sm backdrop-blur-md transition-colors"
-        :class="(price === 'Free' || price === 'ฟรี') ? 'bg-emerald-500 text-white shadow-emerald-500/30' : 'glass text-white'"
-      >
-        {{ (price === 'Free' || price === 'ฟรี') ? $t('course.free') : price }}
-      </div>
+
     </div>
     
       <!-- Content -->