feat(Tools): add JotterPad print/export tool

[yapwr]

Summary

This pull request adds a new built-in tool named JotterPad. The tool utilizes the JotterPad public api to print or export text to document. Some of the supported input types include markdown, fountain and output types include pdf, docx, epub, zip.

For more details about how it works: https://blog.jotterpad.app/dify-jotterpads-print-engine/

For more details about the JotterPad API: https://blog.jotterpad.app/introducing-jotterpad-cloud-printing-api/

Screenshots

Checklist

Important

Please review the checklist below before submitting your pull request.

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods