Move videos on Chrome dev tools and creating websites locally to 1-1-initial-tools-intro.md

[LearningNerd]

Videos to move to 1-1-initial-tools-intro.md:

• Intro to Chrome's developer tools and the browser console (4 min): https://youtu.be/O_sJE_3jKZ4
• Creating websites locally with VS Code (5 min): https://youtu.be/E4FmXNatxt0

Update file 1-2-review-hangman-game.md:

• Remove the above links
• Add list of prerequisites to top of page
• Include a note in the prereqs list that those videos are new