feat: l goes to the details of what's selected; enter still drills in

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

README.md

@@ -65,7 +65,8 @@ use most:
 
 | Key | Action |
 |---|---|
-| `j`/`k`, `h`/`l`, `enter`, `esc` | move, switch panes, drill in, back |
+| `j`/`k`, `enter`, `esc` | move, drill in, back |
+| `l` / `h` | the details of what's selected / back |
 | `/` | filter the list you're in |
 | `space` | reveal / hide the value |
 | `y` | copy the value (cleared from the clipboard after 30s) |