feat(i18n): add seven UI locales

locales/en-US/opencadstudio.ftl

@@ -12,6 +12,13 @@ language =
     .portuguese = Português (Brasil)
     .arabic = العربية
     .japanese = 日本語
+    .korean = 한국어
+    .czech = Čeština
+    .italian = Italiano
+    .finnish = Suomi
+    .hungarian = Magyar
+    .polish = Polski
+    .chinese-traditional = 繁體中文
 
 action =
     .close = Close
@@ -547,7 +554,7 @@ common =
     .layer-state-name-cannot-be-empty = Layer state name cannot be empty.
     .layers = Layers
     .layout = Layout
-    .layout-name-silindi = Layout "__ocs_fmt_0__" silindi
+    .layout-name-silindi = Layout "__ocs_fmt_0__" deleted
     .layout-new-name-created-use-mview-to-add-a-vie = Layout "__ocs_fmt_0__" created — use MVIEW to add a viewport
     .layout-orig-new-name = Layout "__ocs_fmt_0__" → "__ocs_fmt_1__"
     .layout-name-created = Layout '__ocs_fmt_0__' created.