Add crate-version to CLI

Author: chillenzer

rocrate/cli.py

@@ -92,9 +92,15 @@ def cli():
     metavar="NAME",
     help="Exclude files or directories from the metadata file. NAME may be a single name or a comma-separated list of names.",
 )
+@click.option(
+    "--crate-version",
+    default="1.2",
+    type=str,
+    help="Version of the RO-Crate standard to initialize the crate with.",
+)
 @OPTION_CRATE_PATH
-def init(crate_dir, gen_preview, exclude):
-    crate = ROCrate(crate_dir, init=True, gen_preview=gen_preview, exclude=exclude)
+def init(crate_dir, gen_preview, exclud, crate_version):
+    crate = ROCrate(crate_dir, init=True, gen_preview=gen_preview, exclude=exclude, version=crate_version)
     crate.metadata.write(crate_dir)
     if crate.preview:
         crate.preview.write(crate_dir)