Update schemas and resolve some warnings

src/commands/todo/user/add.rs

@@ -17,10 +17,7 @@ impl Recordable for Options {
         sqlx::query!(
             "
             INSERT INTO todos (user_id, value)
-            VALUES (
-                (SELECT id FROM users WHERE user = ?),
-                ?
-            )
+            VALUES (?, ?)
             ",
             ctx.author().id.get(),
             self.task

src/commands/todo/user/view.rs

@@ -14,8 +14,7 @@ impl Recordable for Options {
         let values = sqlx::query!(
             "
             SELECT todos.id, value FROM todos
-            INNER JOIN users ON todos.user_id = users.id
-            WHERE users.user = ?
+            WHERE user_id = ?
             ",
             ctx.author().id.get(),
         )