Small import errors for audio fixed

[fernperezg97]

• Overview.tsx
  • Value was set as a string when it should be a boolean (not sure if it was meant to be a boolean, but that is the error that TS was giving so I changed it to a boolean)
• IntruderGame.tsx
  • Changed .mp3 imports to .wav to reflect new normalized audio files
• IntruderIntro.tsx
  • Changed .mp3 imports to .wav to reflect new normalized audio files
• IntruderCongrats.tsx
  • Changed .mp3 imports to .wav to reflect new normalized audio files