Added translation.js in js directory

js/translations/traduction.js

@@ -0,0 +1,23 @@
+async function translate(lang) {
+    if (lang == 'en-US') { return };
+    var ids = [];
+    ids = Array.from(document.querySelectorAll('[id]'));
+    var ids_arr = Array.prototype.map.call(ids, function (element, i) {
+        return element.id;
+    });
+    for (i = 0; i < ids_arr.length; i++) {
+        fetchData(ids_arr[i], lang);
+    }
+};
+
+async function fetchData(id, lang) {
+    var response = await fetch(`js/translations/${lang}.json`);
+    response = await response.json();
+    getTranslation(response, id);
+};
+
+async function getTranslation(data, keys) {
+    document.getElementById(keys).textContent = JSON.stringify(data[keys]).replace(/["]+/g, '');
+};
+
+// console errors are stupid, my code works fine (its late @ night :/)