[Private Preview] 0.0.4

What's Changed

• remove RunStepAndResult class by @LittleLittleCloud in #34
• Stop re-layout when update max-parallel by @LittleLittleCloud in #35
• Add document to website by @LittleLittleCloud in #39
• Implement drag window for step run side bar by @LittleLittleCloud in #41
• add gallery tab by @LittleLittleCloud in #43
• [WebUI] Fix a few UI issues by @LittleLittleCloud in #45
• move handles inside node by @LittleLittleCloud in #47
• Fix #38 by @LittleLittleCloud in #44
• Use server side event to streaming status notification for each steps by @LittleLittleCloud in #49
• [WebUI] Show Parameter value in stepnode card by @LittleLittleCloud in #50
• add link to doc by @LittleLittleCloud in #54
• release 0.0.4 by @LittleLittleCloud in #55

Full Changelog: 0.0.3...0.0.4