chore: 为dadk-onfig和dadk-user添加描述信息 (#95)

Signed-off-by: longjin <longjin@DragonOS.org>

dadk-config/Cargo.toml

@@ -7,6 +7,8 @@ authors = [
     "chikejian <chikejian@DragonOS.org>",
     "xuzihao <xuzihao@DragonOS.org>"
 ]
+description = "DragonOS Application Development Kit - Config"
+license = "GPL-2.0-only"
 
 [dependencies]
 anyhow = { version = "1.0.90", features = ["std", "backtrace"] }

dadk-user/Cargo.toml

@@ -2,6 +2,8 @@
 name = "dadk-user"
 version = "0.2.0"
 edition = "2021"
+description = "DragonOS Application Development Kit - user prog build"
+license = "GPL-2.0-only"
 
 [dependencies]
 anyhow = { version = "1.0.90", features = ["std", "backtrace"] }