Backend: Improve command usage description #187

Signed-off-by: Michael Mayer <michael@liquidbytes.net>

internal/commands/import.go

@@ -14,7 +14,7 @@ import (
 // Imports photos from path defined in command-line args
 var ImportCommand = cli.Command{
 	Name:   "import",
-	Usage:  "Add and index photos from import directory",
+	Usage:  "Moves and indexes photos from import directory",
 	Action: importAction,
 }