initial skeleton

crates/aim-cli/tests/cli_commands.rs

@@ -0,0 +1,13 @@
+use assert_cmd::Command;
+use predicates::str::contains;
+
+#[test]
+fn help_lists_expected_commands() {
+    let mut cmd = Command::cargo_bin("aim").unwrap();
+    cmd.arg("--help")
+        .assert()
+        .success()
+        .stdout(contains("remove"))
+        .stdout(contains("list"))
+        .stdout(contains("update"));
+}