ATTACH: FILEDIA, -ATTACH command line and reference file types

Co-Authored-By: Claude Opus 5.5 <[email protected]>

locales/ru-RU/opencadstudio.ftl

@@ -3726,6 +3726,13 @@ insert =
     .xref-attach-hide-details = Hide Details
     .xref-attach-select-file = Select Reference File
     .xref-attach-all-files = All Reference Files
+    .xref-attach-filter-images = All image files
+    .xref-attach-filter-dwf = DWF files (*.dwfx; *.dwf)
+    .xref-attach-filter-dgn = MicroStation DGN (*.dgn)
+    .xref-attach-filter-all-dgn = All DGN Files (*.*)
+    .xref-attach-filter-pdf = PDF files (*.pdf)
+    .xref-attach-filter-point-cloud = Point Cloud (*.rcp; *.rcs)
+    .xref-attach-filter-all = All files (*.*)
     .xref-attach-help = Inserts references to external files such as other drawings, raster images, and underlays.
     .xref-attach-invalid-input = Invalid input.
     .xref-insertion-point-x = Insertion point X