fix: clip progress bar width to 100% (#892)

* fix: course progress bar should not go beyond 100% width

* refactor: progress bar component should include outer body div

frontend/src/components/ProgressBar.vue

@@ -0,0 +1,24 @@
+<template>
+	<div class="w-full bg-gray-200 rounded-full h-1 my-2">
+		<div
+			class="bg-gray-900 h-1 rounded-full"
+			:style="{ width: progressBarWidth }"
+		></div>
+	</div>
+</template>
+
+<script setup>
+import { computed } from 'vue'
+
+const props = defineProps({
+	progress: {
+		type: Number,
+		default: 0,
+	},
+})
+
+const progressBarWidth = computed(() => {
+	const formattedPercentage = Math.min(Math.ceil(props.progress), 100)
+	return `${formattedPercentage}%`
+})
+</script>