Setup hello world gren project.

.gitignore

@@ -3,4 +3,7 @@ dist-newstyle
 cabal-dev
 .DS_Store
 *~
-.vscode
+.vscode
+.gren
+app
+index.js

gren.json

@@ -0,0 +1,17 @@
+{
+    "type": "application",
+    "platform": "node",
+    "source-directories": [
+        "src"
+    ],
+    "gren-version": "0.3.0",
+    "dependencies": {
+        "direct": {
+            "gren-lang/core": "local:../core",
+            "gren-lang/node": "local:../node"
+        },
+        "indirect": {
+            "gren-lang/url": "3.0.0"
+        }
+    }
+}

package.json

@@ -0,0 +1,35 @@
+{
+  "name": "gren-lang",
+  "version": "0.3.1",
+  "description": "Compiler for the Gren programming language",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/gren-lang/compiler.git"
+  },
+  "files": [
+    "index.js"
+  ],
+  "bin": {
+    "gren": "index.js"
+  },
+  "keywords": [
+    "gren",
+    "lang",
+    "language",
+    "bin",
+    "binary",
+    "install",
+    "installer"
+  ],
+  "author": "Robin Heggelund Hansen",
+  "license": "BSD-3-Clause",
+  "bugs": {
+    "url": "https://github.com/gren-lang/compiler/issues"
+  },
+  "homepage": "https://gren-lang.org",
+  "dependencies": {
+  }
+}

src/Main.gren

@@ -0,0 +1,36 @@
+module Main exposing (main)
+
+import Node
+import Init
+import Stream
+import Task
+
+
+main : Node.Program Model Msg
+main =
+    Node.defineProgram
+        { init = init
+        , update = update
+        , subscriptions = always Sub.none
+        }
+
+
+type alias Model = {}
+
+
+type Msg = None
+
+
+init : Node.Environment -> Init.Task { model : Model, command : Cmd Msg }
+init env =
+    Node.startProgram
+        { model = {}
+        , command = Task.execute <| Stream.sendLine env.stdout "Hello, World!"
+        }
+
+
+update : Msg -> Model -> { model : Model, command : Cmd Msg }
+update msg model =
+    { model = model
+    , command = Cmd.none
+    }