feat: translations support

frontend/src/static/js/utils/helpers/replacementStrings.js

@@ -0,0 +1,8 @@
+// check templates/config/installation/translations.html for more
+
+export function replaceString(string) {
+    for (const key in window.REPLACEMENTS) {
+        string = string.replace(key, window.REPLACEMENTS[key]);
+    }
+    return string;
+}