diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..42cc846
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module git.bivouac.wiki/use/notice
+
+go 1.22.5
diff --git a/mailer.go b/mailer.go
new file mode 100644
index 0000000..b16dc26
--- /dev/null
+++ b/mailer.go
@@ -0,0 +1,3 @@
+package notice
+
+// mailer interface
diff --git a/settings.go b/settings.go
new file mode 100644
index 0000000..42d2bd3
--- /dev/null
+++ b/settings.go
@@ -0,0 +1,3 @@
+package notice
+
+// settings interface