add -> remind rename subcommand

src/subcommands.zig

@@ -8,15 +8,14 @@ pub const Subcommand = struct {
 };
 
 pub const subcommands = [_]Subcommand{
-    .{ .name = "add", .handler = handleAdd },
+    .{ .name = "remind", .handler = handleRemind },
     .{ .name = "remove", .handler = handleRemove },
     .{ .name = "done", .handler = handleDone },
     .{ .name = "list", .handler = handleList },
 };
 
-pub fn handleAdd(args: *std.process.Args.Iterator) !void {
+pub fn handleRemind(args: *std.process.Args.Iterator) !void {
     _ = args;
-    std.debug.print("add!", .{});
 }
 
 pub fn handleRemove(args: *std.process.Args.Iterator) !void {