Added version command

src/cmd/core.rs

@@ -18,3 +18,21 @@ pub fn setup_command() {
   // initialize the video repository
   r.initialize();
 }
+
+pub fn version_command() {
+  println!("===================================================================================");
+
+  // output the program and version
+  println!("Zealot version v{}", env!("CARGO_PKG_VERSION"));
+
+  // output project description
+  println!("{}", env!("CARGO_PKG_DESCRIPTION"));
+
+  // display license info
+  println!("\nThis code is licensed under the {} license.", env!("CARGO_PKG_LICENSE"));
+
+  // output the project source URL
+  println!("View the source code or file issues at {}.", env!("CARGO_PKG_REPOSITORY"));
+
+  println!("===================================================================================");
+}