Implemented AutoTLS via RustTLS

furumi-server/Cargo.toml

@@ -14,7 +14,7 @@ futures-util = "0.3.32"
 jsonwebtoken = "10.3.0"
 libc = "0.2.183"
 prost = "0.13.5"
-rustls = "0.23.37"
+rustls = { version = "0.23.37", features = ["ring"] }
 thiserror = "2.0.18"
 tokio = { version = "1.50.0", features = ["full"] }
 tokio-stream = "0.1.18"
@@ -26,6 +26,7 @@ async-trait = "0.1.89"
 prometheus = { version = "0.14.0", features = ["process"] }
 axum = { version = "0.7", features = ["tokio"] }
 once_cell = "1.21.3"
+rcgen = { version = "0.14.7", features = ["pem"] }
 
 [dev-dependencies]
 tempfile = "3.26.0"