Added rust code

src/utilities/conversions.rs

@@ -0,0 +1,19 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Deserialize, Serialize)]
+struct Conversions {
+}
+
+impl Conversions {
+    // TODO: Implement
+    pub fn to_lower_char(val: &mut String) {
+    }
+
+    // TODO: Implement
+    pub fn initialize_values(&self) {
+    }
+
+    // TODO: Implement
+    pub fn print_value(&self, val: i32) {
+    }
+}