Add references and clean up parts 1 and 2

part1/Main.elm

@@ -2,7 +2,6 @@ module Main (..) where
 
 import Html exposing (..)
 import Html.Attributes exposing (..)
-import Auth
 
 
 model =

part1/README.md

@@ -15,3 +15,8 @@ to fail; in that case, just run `elm package install` again.)
 ```bash
 elm live Main.elm --open -- --output=elm.js
 ```
+
+## References
+* [html-to-elm](http://mbylstra.github.io/html-to-elm/) - paste in HTML, get elm-html code
+* [elm-html documentation](http://package.elm-lang.org/packages/evancz/elm-html/4.0.2/)
+* [record syntax](http://elm-lang.org/docs/syntax#records) (e.g. `{ foo = 1, bar = 2`)

part2/Main.elm

@@ -2,7 +2,6 @@ module Main (..) where
 
 import Html exposing (..)
 import Html.Attributes exposing (..)
-import Auth
 
 
 type alias Model =

part2/README.md

@@ -15,3 +15,9 @@ to fail; in that case, just run `elm package install` again.)
 ```bash
 elm live Main.elm --open -- --output=elm.js
 ```
+
+## References
+
+* [Type Annotation syntax reference](http://elm-lang.org/docs/syntax#type-annotations)
+* [`type alias` syntax reference](http://elm-lang.org/docs/syntax#type-aliases)
+* [`List.map` documentation](http://package.elm-lang.org/packages/elm-lang/core/3.0.0/List#map)