Enhance array and embedding dtypes, better guess HF dtypes from features #718

Job	Run time
🐍 Prepare Python	34s
🔍 Check if pull request	4s
⬢ Prepare Node.js	18s
🧱 Build test matrix	10s
📝 Build API docs	38s
🔍 Check	2m 23s
🗃 Build datasets	2m 26s
🧪 Unit Test	1m 25s
🧱 Build Spotlight	3m 1s
🧪 Doc Test	1m 21s
🧪 Integration Test (ubuntu-latest, 3.8)	9m 0s
🔍 Check wheel contents	28s
🧪 UI Test (chrome)	2m 44s
🧪 UI Test (firefox)	4m 5s
🚀 Release Spotlight	0s
	28m 37s

Provide feedback