Update 0.4.0

- Add\Rework UI
- Add Split Table and Listing
- Add Support Customazeble schems

scripts/fetch_plantuml.py

@@ -0,0 +1,30 @@
+"""Download official plantuml.jar into md2gost/vendor (for exe builds)."""
+
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+if str(ROOT) not in sys.path:
+    sys.path.insert(0, str(ROOT))
+
+from md2gost.diagram_renderer import PLANTUML_JAR_URL, fetch_plantuml_jar, vendor_plantuml_path
+
+
+def main() -> int:
+    dest = vendor_plantuml_path()
+    print(f"PlantUML: {PLANTUML_JAR_URL}")
+    print(f"Куда:     {dest}")
+    if dest.is_file() and dest.stat().st_size > 1000:
+        print("Уже скачан.")
+        return 0
+    if fetch_plantuml_jar(dest):
+        print(f"Готово: {dest} ({dest.stat().st_size} байт)")
+        return 0
+    print("Не удалось скачать plantuml.jar (exe соберётся, диаграммы пойдут через kroki.io).")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())