feat: add translation support

src/main/java/eu/midnightdust/yaytris/Translation.java

@@ -0,0 +1,19 @@
+package eu.midnightdust.yaytris;
+
+import eu.midnightdust.yaytris.util.NightJson;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Translation {
+    public static Map<String, String> translationMap = new HashMap<>();
+
+    public static void load(String locale) {
+        NightJson json = new NightJson(translationMap, String.format("translation/%s.json5", locale));
+        json.readJson();
+    }
+
+    public static String t(String key, Object... args) {
+        return String.format(translationMap.getOrDefault(key, key), args);
+    }
+}