Environment (#3)

Reviewed-on: phoenix/icarus_envy#3
Co-authored-by: kdeng00 <kundeng00@pm.me>
Co-committed-by: kdeng00 <kundeng00@pm.me>

src/lib.rs

@@ -1,3 +1,6 @@
+pub mod environment;
+pub mod keys;
+
 pub fn add(left: u64, right: u64) -> u64 {
     left + right
 }