add pegjs.d.ts

pegjs/pegjs-tests.ts

@@ -0,0 +1,5 @@
+/// <reference path="./pegjs.d.ts" />
+
+var input: string;
+var result = PEG.parse(input);
+console.log(result);

pegjs/pegjs.d.ts

@@ -0,0 +1,19 @@
+// Type definitions for PEG.js
+// Project: http://pegjs.majda.cz/
+// Definitions by: vvakame <https://github.com/vvakame>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module PEG {
+	function parse(input:string):any;
+
+	class SyntaxError {
+		line:number;
+		column:number;
+		offset:number;
+
+		expected:any[];
+		found:any;
+		name:string;
+		message:string;
+	}
+}