Kaskada 0.6.0-a.1

✨ Features & Enhancements

• python udf implementation (#703)
• Expose tick functions (#702)
• add more aggregations/functions (#686)
• udf node creation in dfg (#681)
• Add a plot to the tour (#689)
• remove subsort and key hash columns (#688)

🛠️ Other improvements

• echo versions in python release (#710)
• Make parameters to sources explicit (#707)
• Review data types (#708)
• fix logo in hero (#705)
• Update conf.py (#704)
• Omit page-TOC for single-page docs (#699)
• Fixes / notes on release process (#694)
• re-install Kaskada when building docs (#700)
• Cargo update to fix cargo deny (#701)
• Fix link and logos (#687)

Thank you to all our contributors for making this release possible!
@bjchambers, @jordanrfrazier, @kerinin and @kevinjnguyen