fix: show hidden files with either almost-all or all

src/main.zig

···
         }
     }
 
+    fn showDotfiles(self: Options) bool {
+        return self.@"almost-all" or self.all;
+    }
+
     fn isatty(self: Options) bool {
         return self.winsize != null;
     }
···
 
             var iter = dir.iterate();
             while (try iter.next()) |dirent| {
-                if (!cmd.opts.@"almost-all" and std.mem.startsWith(u8, dirent.name, ".")) continue;
+                if (!cmd.opts.showDotfiles() and std.mem.startsWith(u8, dirent.name, ".")) continue;
                 const nameZ = try cmd.arena.dupeZ(u8, dirent.name);
                 try temp_results.append(cmd.arena, .{
                     .name = nameZ,