Add yes flag desc

Signed-off-by: mrlutik <yaievgeniy@gmail.com>

content/en/signing/signing_with_blobs.md

@@ -96,3 +96,10 @@ You can sign it with the normal `cosign sign` command and flags:
 ```shell
 $ cosign sign gcr.io/user/demo/artifact
 ```
+## Non-Interactive Signing with the Yes Flag
+
+In situations where automated signing is required, such as within CI/CD pipelines, the --yes flag becomes essential. This flag, when used with signing commands, bypasses any confirmation prompts, enabling a smooth, uninterrupted signing process. This is particularly crucial in automated environments where manual input isn't feasible. The --yes flag ensures that your signing operations can proceed without manual intervention, maintaining the efficiency and speed of your automated workflows.
+
+```
+cosign sign --yes -key cosign.key myregistry/myimage:latest
+```