marked 0.6.3

on Node.js Yarn

Fixes

• Fix nested blockquotes #1464
• Fix <em> issue with mixed content #1451
• revert #1464 #1497
• Fix breaks: true #1507

Docs

• add docs for workers #1432
• Add security policy #1492
• Update supported spec versions #1491
• Update test folder descriptions #1506

DevOps

• Use latest commit for demo master #1457
• Update tests to commonmark 0.29 #1465
• Update tests to GFM 0.29 #1470
• Fix commonmark spec 57 and 40 (headings) #1475