crane/gcrane: add pages (#13853)

pages/common/gcrane-ls.md

@@ -0,0 +1,21 @@
+# gcrane ls
+
+> List the tags in a repository.
+> More complex form than `crane ls`, which allows for listing tags, manifest and sub-repositories.
+> More information: <https://github.com/google/go-containerregistry/blob/main/cmd/gcrane/README.md>.
+
+- List the tags:
+
+`gcrane ls {{repository}}`
+
+- Format response from the registry as JSON:
+
+`gcrane ls {{repository}} --json`
+
+- Whether to recurse through repositories:
+
+`gcrane ls {{repository}} {{-r|--recursive}}`
+
+- Display help:
+
+`gcrane ls {{-h|--help}}`