v0.9.0: add manifest checksums

internal/manifest/manifest.go

@@ -8,6 +8,7 @@ type Entry struct {
 	Path     string
 	Size     int64
 	Cloud    string
+	Checksum string
 	Exported int64
 }
 
@@ -42,3 +43,9 @@ func NewEntry(id, filename, path string, size int64, cloud string) Entry {
 	}
 	return e
 }
+
+func NewEntryWithChecksum(id, filename, path string, size int64, cloud, checksum string) Entry {
+	e := NewEntry(id, filename, path, size, cloud)
+	e.Checksum = checksum
+	return e
+}