Add new README for Storage samples with usage

storage/README.md

@@ -1 +1,58 @@
-# Google Cloud Storage Ruby samples
+<img src="https://avatars2.githubusercontent.com/u/2810941?v=3&s=96" alt="Google Cloud Platform logo" title="Google Cloud Platform" align="right" height="96" width="96"/>
+
+# Google Cloud Storage Ruby Samples
+
+[Cloud Storage][storage_docs] allows world-wide storage and retrieval of any
+amount of data at any time.
+
+[storage_docs]: https://cloud.google.com/storage/docs/
+
+## Run sample
+
+To run the sample, first install dependencies:
+
+    bundle install
+
+Run the sample:
+
+    bundle exec ruby buckets.rb
+    bundle exec ruby files.rb
+
+## Samples
+
+### Buckets
+
+**Usage:** `bundle exec ruby buckets.rb [command] [arguments]`
+
+```
+sage: bundle exec ruby buckets.rb [command] [arguments]
+
+Commands:
+  list               List all buckets in the authenticated project
+  create <bucket>    Create a new bucket with the provided name
+  delete <bucket>    Delete bucket with the provided name
+
+Environment variables:
+  GCLOUD_PROJECT must be set to your Google Cloud project ID
+```
+
+### Files
+
+**Usage:** `bundle exec ruby files.rb [command] [arguments]`
+
+```
+Usage: bundle exec ruby files.rb [command] [arguments]
+
+Commands:
+  list        <bucket>                List all files in the bucket
+  upload      <bucket> <file>         Upload local file to a bucket
+  download    <bucket> <file> <path>  Download a file from a bucket
+  delete      <bucket> <file>         Delete a file from a bucket
+  metadata    <bucket> <file>         Display metadata for a file in a bucket
+  make_public <bucket> <file>         Make a file in a bucket public
+  rename      <bucket> <file> <new>   Rename a file in a bucket
+  copy <srcBucket> <srcFile> <destBucket> <destFile>  Copy file to other bucket
+
+Environment variables:
+  GCLOUD_PROJECT must be set to your Google Cloud project ID
+```