message: Fix default value for wrangler generate template
diff: @@ -243,7 +243,7 @@ fn run() -> Result<(), failure::Error> {
  )
  .arg(
  Arg::with_name("template")
  - .help("a link to a github template! defaults to cloudflare/worker-template")
  + .help("a link to a github template! defaults to https://github.com/cloudflare/worker-template")
  .index(2),
  )
  .arg(
  