some bugs

src/js/dialogs/levelBuilder.js

@@ -0,0 +1,18 @@
+exports.dialog = [{
+  type: 'ModalAlert',
+  options: {
+    markdowns: [
+      '## Welcome to the level builder!',
+      '',
+      'Here are the main steps:',
+      '',
+      '  * Set up the initial environment with git commands',
+      '  * Define the starting tree with ```define start```',
+      '  * Enter the series of git commands that compose the (optimal) solution',
+      '  * Define the goal tree with ```define goal```. Defining the goal also defines the solution',
+      '  * Optionally define a hint with ```define hint```',
+      '  * Optionally define a nice start dialog with ```edit dialog```',
+      '  * Enter the command ```finish``` to output your level JSON!'
+    ]
+  }
+}];