feat: v0.2.1, add version

src/cmd_version.rs

@@ -0,0 +1,15 @@
+use clap::Args;
+use rust_util::XResult;
+
+#[derive(Debug, Args)]
+pub struct CmdVersion {}
+
+pub fn version(_cmd_version: CmdVersion) -> XResult<()> {
+    println!(
+        "{} - {}\n{}\n",
+        env!("CARGO_PKG_NAME"),
+        env!("CARGO_PKG_VERSION"),
+        env!("CARGO_PKG_DESCRIPTION")
+    );
+    Ok(())
+}