adding cs236

cs236/lexer/token.h

@@ -0,0 +1,16 @@
+#ifndef __TOKEN_H__                          
+#define __TOKEN_H__                          
+
+#include <iostream>
+
+using namespace std;
+                                              
+class token {
+    public:
+        token(string, string, int);
+        string type;
+        string character;
+        int line_num;
+        friend ostream & operator<<(ostream & os, token tk);
+};
+#endif