feat: word cloud on stat page

frontend/src/stats/WordCloud.tsx

@@ -0,0 +1,41 @@
+import { ReactWordcloud } from '@cp949/react-wordcloud';
+import { useEffect, useState } from 'react';
+import axios from "axios";
+
+type BackendWord = {
+    word: string;
+    frequency: number;
+}
+
+const WordCloud = () => {
+    const [words, setWords] = useState<{ text: string; value: number }[]>([]);
+    const [error, setError] = useState<string>('');
+
+
+    useEffect(() => {
+        axios
+            .get("http://localhost:5000/stats/word_frequencies")
+            .then(res => {
+                const mapped = res.data.map((d: BackendWord) => (
+                    {text: d.word, value: d.frequency}
+                ));
+                setWords(mapped);
+            })
+            .catch(err => {
+                setError(err);
+            });
+
+    }, [])
+
+    return (
+        <div>
+            <ReactWordcloud
+                words={words}
+            />
+        
+            <p>{error}</p>
+        </div>
+    );
+};
+
+export default WordCloud;