Add preamble parser

services/web/public/coffee/ide/preamble/preamble/services/preamble.coffee

@@ -0,0 +1,14 @@
+define [
+	"base"
+], (App) ->
+
+	App.factory 'preamble', (ide) ->
+
+		Preamble = {
+			getPreambleText: () ->
+				text = ide.editorManager.getCurrentDocValue().slice(0, 5000)
+				preamble = text.match(/([^]*)^\\begin\{document\}/m)[1]
+				
+		}
+
+		return Preamble