moved static folder in quiz-app for directory warning

quiz-app/static/css/style.css

@@ -0,0 +1,17 @@
+@import url('https://fonts.googleapis.com/css2?family=Play&display=swap');
+
+/* Appliquer les polices aux éléments du document */
+body {
+    font-family: 'Play'; /* Aladin pour le corps du document */
+    /* font-size: 1.5em; */
+}
+
+.button-link {
+  background: none;
+  border: none;
+  color: #497AA1;
+  text-decoration: underline;
+  cursor: pointer;
+  padding: 0;
+  font: inherit;
+}