Add --registry-token flags to support Bearer token authentication

Signed-off-by: Alvaro Iradier <airadier@gmail.com>

docs/skopeo-copy.1.md

@@ -84,6 +84,10 @@ Existing signatures, if any, are preserved as well.
 
 **--dest-compress-level** _format_ Specifies the compression level to use.  The value is specific to the compression algorithm used, e.g. for zstd the accepted values are in the range 1-20 (inclusive), while for gzip it is 1-9 (inclusive).
 
+**--src-registry-token** _Bearer token_ for accessing the source registry
+
+**--dest-registry-token** _Bearer token_ for accessing the destination registry
+
 ## EXAMPLES
 
 To just copy an image from one registry to another:

docs/skopeo-delete.1.md

@@ -34,6 +34,8 @@ $ docker exec -it registry /usr/bin/registry garbage-collect /etc/docker-distrib
 
 Additionally, the registry must allow deletions by setting `REGISTRY_STORAGE_DELETE_ENABLED=true` for the registry daemon.
 
+**--registry-token** _Bearer token_ for accessing the registry
+
 ## EXAMPLES
 
 Mark image example/pause for deletion from the registry.example.com registry:

docs/skopeo-inspect.1.md

@@ -35,6 +35,8 @@ Return low-level information about _image-name_ in a registry
 
   **--no-creds** _bool-value_ Access the registry anonymously.
 
+  **--registry-token** _Bearer token_ for accessing the registry
+
 ## EXAMPLES
 
 To review information for the image fedora from the docker.io registry:

docs/skopeo-list-tags.1.md

@@ -23,6 +23,8 @@ Return a list of tags from _repository-name_ in a registry.
 
   **--no-creds** _bool-value_ Access the registry anonymously.
 
+  **--registry-token** _Bearer token_ for accessing the registry
+
 ## REPOSITORY NAMES
 
 Repository names are transport-specific references as each transport may have its own concept of a "repository" and "tags". Currently, only the Docker transport is supported.

docs/skopeo-sync.1.md

@@ -71,6 +71,10 @@ Path of the authentication file for the destination registry. Uses path given by
 
 **--dest-tls-verify** _bool-value_ Require HTTPS and verify certificates when talking to a container destination registry or daemon (defaults to true).
 
+**--src-registry-token** _Bearer token_ for accessing the source registry
+
+**--dest-registry-token** _Bearer token_ for accessing the destination registry
+
 ## EXAMPLES
 
 ### Synchronizing to a local directory