Documentation cites "flutter init" command but "flutter create" is available.

Documentation cites "`flutter init`" command but "`flutter create`" is available:

```
$ flutter help init
Could not find a command named "init".
. . . 
```

Instead:

```
$ flutter help create
Create a new Flutter project.
. . .

```

See: https://github.com/flutter/website/search?utf8=%E2%9C%93&q=%22flutter+init%22
