crane/gcrane: add pages (#13853)

pages/common/crane-copy.md

@@ -0,0 +1,24 @@
+# crane copy
+
+> Efficiently copy a remote image from source to target while retaining the digest value.
+> More information: <https://github.com/google/go-containerregistry/blob/main/cmd/crane/doc/crane_copy.md>.
+
+- Copy an image from source to target:
+
+`crane copy {{source}} {{target}}`
+
+- Copy all tags:
+
+`crane copy {{source}} {{target}} {{-a|--all-tags}}`
+
+- Set the maximum number of concurrent copies, defaults to GOMAXPROCS:
+
+`crane copy {{source}} {{target}} {{-j|--jobs}} {{int}}`
+
+- Avoid overwriting existing tags in target:
+
+`crane copy {{source}} {{target}} {{-n|--no-clobber}}`
+
+- Display help:
+
+`crane copy {{-h|--help}}`