add select button for each question from LLM

[hic0der]

like this:

Roo has some question:
⬜  all yes
⬜  all no

1. Is the goal of the Two Sum problem to find two numbers in an array that add up to a specific target value?
✅ yes (after clicking, or TAB + SPACE)
⬜ no

2. Does a brute-force solution to Two Sum typically involve nested loops?
⬜ yes 
❌ no  (after user click)

3. Is the time complexity of a typical brute-force Two Sum solution O(n log n)?
⬜ yes
⬜ no

4. Can a hash map (or JavaScript object) be used to optimize the Two Sum solution?
⬜ yes
⬜ no