This extension quickly searches (using ripgrep) your workspace for comment tags like TODO and FIXME, and displays them in a tree view in the explorer pane. Clicking a TODO within the tree will open the file and put the cursor on the line containing the TODO.
Found TODOs can also be highlighted in open files.
Link:
https://marketplace.visualstudio.com/items?itemName=Gruntfuggly.todo-tree