Support more external enum sources

[deepnight]

• CastleDB
• ExpDB (https://github.com/kevinresol/exp-db)
• VScode Depot (https://twitter.com/cantatagame)
• CSV file
• JSON file

[deepnight]

Text and JSON added in 1.1.2