Build A Web App - Typo in Assignment Solution: func handleRequest()

[jaroszej]

• Typo observed at: https://softchris.github.io/golang-book/04-webdev/02-web-dev/
• Issue source: 04-web-dev/02-web-dev/README.md:370: func handleRequest(w http.ResponseWrite, r *http.Request) {
• Issue resolution First param, w http.ResponseWrite, should instead be w http.ResponseWriter