rewrite config & context, support tokio::main & tokio::test

Author: syphar

.sqlx/query-96b68919f9016705a1a36ef11a5a659e7fb431beb0017fbcfd21132f105ce722.json

@@ -60,6 +60,7 @@ getrandom = "0.3.1"
 itertools = { version = "0.14.0" }
 hex = "0.4.3"
 derive_more = { version = "2.0.0", features = ["display"] }
+derive_builder = "0.20.2"
 
 # Async
 tokio = { version = "1.0", features = ["rt-multi-thread", "signal", "macros"] }