Integrate PDF.JS v2.6.347 manually due to mozilla/pdf.js#11790

Author: ava-cassiopeia

src/PdfDetiler.js

@@ -2,7 +2,7 @@ const fs = require("fs");
 const path = require("path");
 const PDFDocument = require("pdfkit");
 const svgToImg = require("svg-to-img");
-const pdfjsLib = require("pdfjs-dist/es5/build/pdf.js");
+const pdfjsLib = require("./pdfjs/pdf");
 const cliProgress = require("cli-progress");
 const chalk = require("chalk");
 const ReadableSVGStream = require("./readableSvgStreamExtension");