v0.16.0

What's new

• Add browser event block (89c9437)
• Add upload file block (241aed1)
• Duplicate workflow menu (df71588)
• Double click to edit a block (9f3ab99)
• Add $index path in loopData keyword (2efd0c1)

Bug fixes

• Click element block doesn't work on some elements (4f857d2)