[QuickSignPDF] Offset path to 0,0 and use left/top to position it

[mkhatib]

Fixes #87

[netlify[bot]]

✅ Deploy Preview for human-tools ready!

Name	Link
🔨 Latest commit	edcc7b5212896e3e4571e43ef05b424f81dcafd3
🔍 Latest deploy log	https://app.netlify.com/sites/human-tools/deploys/639f9ff18923af0008fea808
😎 Deploy Preview	https://deploy-preview-88--human-tools.netlify.app/
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.