Use configs for JDA constructor

Question

Pull Request Etiquette

• [x] I have checked the PRs for upcoming features/bug fixes.
• [x] I have read the contributing guidelines.

Changes

• [x] Internal code
• [ ] Library interface (affecting end-user code)
• [ ] Documentation
• [ ] Other: _____

Closes Issue: NaN

Description

This drastically improves the readability and usability of the JDAImpl constructor. ~~I plan to do~~ I have done the same for the DefaultShardManager constructor ~~later~~.

该提问来源于开源项目：DV8FromTheWorld/JDA

Answer 1

I believe it would be reasonable to allow passing null configs which would cause JDA to create default configurations. Then the creation of a JDAImpl instance could be as simple as

java
AuthorizationConfig conf = new AuthorizationConfig(AccountType.BOT, BOT_TOKEN);
JDA basicInstance = new JDAImpl(conf, null, null, null);