🚧 📑 pdf helpers, todos for signign

packages/pdf/insertImageInPDF.ts

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+import { degrees, PDFDocument, PDFImage, rgb, StandardFonts } from "pdf-lib";
+
+export async function insertImageInPDF(
+  pdfAsBase64: string,
+  image: string | Uint8Array | ArrayBuffer,
+  positionX: number,
+  positionY: number,
+  page: number = 0
+): Promise<string> {
+  const existingPdfBytes = pdfAsBase64;
+  const pdfDoc = await PDFDocument.load(existingPdfBytes);
+  const pages = pdfDoc.getPages();
+  const pdfPage = pages[page];
+  const pngImage = await pdfDoc.embedPng(image);
+
+  pdfPage.drawImage(pngImage, {
+    x: positionX,
+    y: positionY,
+    width: pngImage.width,
+    height: pngImage.height,
+  });
+
+  const pdfAsUint8Array = await pdfDoc.save();
+  return Buffer.from(pdfAsUint8Array).toString("base64");
+}