mess about with media a bit more

internal/storage/storage.go

@@ -18,7 +18,16 @@
 
 package storage
 
+import "time"
+
 type Storage interface {
 	StoreFileAt(path string, data []byte) error
 	RetrieveFileFrom(path string) ([]byte, error)
 }
+
+type FileInfo struct {
+   Data []byte
+   StorePath string
+   CreatedAt time.Time
+   UpdatedAt time.Time
+}