Adding version module (#5)

Reviewed-on: #5

src/lib.rs

@@ -0,0 +1 @@
+pub mod version;

src/version.rs

@@ -0,0 +1,20 @@
+pub fn print_version() {
+    let name = env!("CARGO_PKG_NAME");
+    let version = env!("CARGO_PKG_VERSION");
+
+    println!("{name:?} {version:?}");
+}
+
+pub fn contains_version(args: &Vec<String>) -> bool {
+    let valid_flags = vec!["-v", "--version"];
+
+    for arg in args {
+        for valid_flag in &valid_flags {
+            if valid_flag == arg {
+                return true;
+            }
+        }
+    }
+
+    false
+}