feat(i18n): Add LocalizationEditor class for managing localization files

src/test/resources/test-i18n.yaml

@@ -0,0 +1,20 @@
+---
+curId: 2
+descriptions:
+  test-2: ""
+  test-1: "aaa"
+languages:
+  en:
+    test-1: "hello"
+    test-2: "world"
+  de:
+    test-1: "hallo"
+    test-2: "welt"
+languagesInfo:
+  en:
+    name: "English"
+    shortName: "en"
+  de:
+    name: "Deutsch"
+    shortName: "de"
+prefix: "test"