basic get command works with items from 0/config defined in test-config.toml

src/platform/os/cli/set.rs

@@ -1,4 +1,6 @@
 use clap::ArgMatches;
+use mize::error::MizeResult;
 
-pub fn set(sub_matches: &ArgMatches) {
+pub fn set(sub_matches: &ArgMatches) -> MizeResult<()> {
+    Ok(())
 }