Add the drafts of the two posts

code/compiler_parser.y

@@ -0,0 +1,26 @@
+%{
+#include <string>
+#include <iostream>
+#include "ast.hpp"
+#include "parser.hpp"
+%}
+
+%token PLUS
+%token TIMES
+%token MINUS
+%token DIVIDE
+%token INT
+%token DEFN
+%token DATA
+%token CASE
+%token OF
+%token OCURLY
+%token CCURLY
+%token OPAREN
+%token CPAREN
+%token COMMA
+%token ARROW
+%token EQUA
+%token LID
+%token UID
+