Updated README to add expected commands to implement

README.md

@@ -1,3 +1,10 @@
-# todo-local
+# Todo CLI app
 
-A CLI to-do app written in Rust.
+A CLI to-do app written in Rust.
+
+## List of Commands
+- [ ] `todo list`        - lists all the tasks (should be numbered)
+- [ ] `todo add {}`       - adds {} to the tasks
+- [ ] `todo did {number}`    - mark a numbered task as completed
+- [ ] `todo undid {number}`   - mark a numbered task as incomplete
+- [ ] `todo done`        - lists all the completed tasks