Create lexer and template

Stencil/Lexer.swift

@@ -0,0 +1,21 @@
+//
+//  Lexer.swift
+//  Stencil
+//
+//  Created by Kyle Fuller on 24/10/2014.
+//  Copyright (c) 2014 Cocode. All rights reserved.
+//
+
+import Foundation
+
+public struct Lexer {
+    public let templateString:String
+
+    public init(templateString:String) {
+        self.templateString = templateString
+    }
+
+    public func tokenize() -> [Token] {
+        return [Token.Text(value: templateString)]
+    }
+}