try another lib method

src/index.tsx

@@ -1,3 +1,28 @@
-import App from "./App";
+import React from "react";
+import "./style/App.css";
+import "./style/board.css";
+import "./style/cell.css";
+import "./style/stone.css";
+import { CellInfo } from "@gobstones/gobstones-gbb-parser";
+import { BoardComponent } from "./lib/BoardComponent";
 
-export { App };
+const App: React.FC = () => {
+  let boardInfo: CellInfo[][] = new Array(5);
+  for (let i = 0; i < 5; i++) {
+    boardInfo[i] = new Array(7);
+    for (let j = 0; j < 7; j++) {
+      boardInfo[i][j] = { a: 1, n: 0, r: 3, v: 1 };
+    }
+  }
+  return (
+    <BoardComponent
+      editable={true}
+      columnsQuantity={5}
+      rowsQuantity={7}
+      header={[2, 0]}
+      boardInfo={boardInfo}
+      theme="modern"
+      language="es"
+    />
+  );
+};

src/lib/index.ts

@@ -0,0 +1,3 @@
+import { BoardComponent } from "./BoardComponent";
+
+export { BoardComponent }