people module doc update

modules/people/README.md

@@ -8,7 +8,7 @@ class people::jbarnette {
   include emacs   # requires emacs module in Puppetfile
   include sparrow # requires sparrow module in Puppetfile
 
-  $home     = '/Users/jbarnette'
+  $home     = "/Users/${::luser}"
   $my       = "${home}/my"
   $dotfiles = "${my}/dotfiles"
 
@@ -18,3 +18,13 @@ class people::jbarnette {
   }
 }
 ```
+
+## Projects
+
+While you _can_ include projects one by one, sometimes you might just want
+all of them.
+You can do that easily with:
+
+```
+include projects::all
+```