fix: make the repl work

src/main.zig

@@ -1,8 +1,16 @@
 const std = @import("std");
-const token = @import("./token.zig");
-const lexerTests = @import("./lexerTest.zig");
+
 const repl = @import("./repl.zig");
 
-pub fn main() anyerror!void {
-    try repl.start();
+const print = std.debug.print;
+
+pub fn main() !void {
+    print("Hello this is the Monkey-lang, Code your world, one banana at a time\n", .{});
+    print("Start typing, Monkey-style :) \n\n", .{});
+
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    var arena = std.heap.ArenaAllocator.init(gpa.allocator());
+    defer arena.deinit();
+
+    try repl.start(arena.allocator());
 }