diff --git a/core/backup.go b/core/backup.go
new file mode 100644
index 0000000..e69de29
diff --git a/core/device.go b/core/device.go
new file mode 100644
index 0000000..e69de29
diff --git a/core/events.go b/core/events.go
new file mode 100644
index 0000000..e69de29
diff --git a/core/scheduler.go b/core/scheduler.go
new file mode 100644
index 0000000..e69de29
diff --git a/go.mod b/go.mod
index 88255ce..5d8843c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,15 @@
 module github.com/qwc/backive
 
 go 1.17
+
+require (
+	github.com/fatih/color v1.13.0 // indirect
+	github.com/goccy/go-yaml v1.9.3 // indirect
+	github.com/mattn/go-colorable v0.1.11 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/qri-io/jsonpointer v0.1.1 // indirect
+	github.com/qri-io/jsonschema v0.2.1 // indirect
+	github.com/sirupsen/logrus v1.8.1 // indirect
+	golang.org/x/sys v0.0.0-20210930141918-969570ce7c6c // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+)