[Chart] support word cloud
complete
Columns
complete
Word cloud is ready on Columns as a new chart type.
Our server doesn't support word break function yet, so current word break function is implemented on the client side. It may be slow if you have lots of text data to process.
We will use separate task to track the server side support.
Columns
Here is an word cloud example we can use to start with, and bring in customization options - https://observablehq.com/@d3/word-cloud