message: fix(pdf): match double quotes
diff: @@ -65,7 +65,7 @@ async function modifyViewrJS() {
  file = '/* saladict */ window.__SALADICT_PDF_PAGE__ = true;\n' + file
  // change default pdf
  - const defaultPDFTester = /defaultUrl: {[\s\S]*?value: ('\S+?.pdf'),[\s\S]*?kind: OptionKind.VIEWER/
  + const defaultPDFTester = /defaultUrl: {[\s\S]*?value: (['"]\S+?.pdf['"]),[\s\S]*?kind: OptionKind\.VIEWER/
  if (!defaultPDFTester.test(file)) {
  shell.echo('Could not locate default pdf in viewer.js')
  shell.exit(1)
  @@ -93,10 +93,11 @@ async function modifyViewerHTML() {
  let file = await fs.readFile(viewerPath, 'utf8')
  if (!file.includes(`</body>`)) {
  - shell.echo('Could not locate </body> in viewer.js')
  + shell.echo('Could not locate </body> in viewer.html')
  shell.exit(1)
  }
  + // Load Saladict dict panel
  file = file.replace(
  `</body>`,
  `
  