diff --git a/ad/de/adder b/ad/de/adder
new file mode 100644
index 0000000..095a57e
--- /dev/null
+++ b/ad/de/adder
@@ -0,0 +1 @@
+{"name":"adder","vers":"0.1.0","deps":[],"cksum":"f6c0cff82668d13da0b167c3f1d43a2cc489d8dbf4fc2bc0a4405c8f43795ad6","features":{},"yanked":false}