chore: README and name ver

README.md

@@ -23,6 +23,11 @@ $ dockerbuild :image:i386/rust:1.47 build --release --target-dir linux_i386_targ
 $ dockerbuild :image:i386/rust:1.47 :mirror:git:*** build --release --target-dir linux_i386_target
 ```
 
+Other commands:
+```shell
+$ dockerbuild :rustc --version
+```
+
 Docker official images:
 https://hub.docker.com/_/rust
 

src/main.rs

@@ -12,7 +12,7 @@ use rust_util::util_file;
 pub use docker_util::DockerCmd;
 
 fn main() {
-    information!("dockerbuild v0.1.1");
+    information!("{} v{}", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
 
     let docker_build_config = config::load_docker_build_config().expect("Read config failed, not found or parse error!");