Add kando output to docs (#4175)

docs/tooling.rst

@@ -297,14 +297,18 @@ object store like AWS S3. We've found it can be cumbersome to pass Profile
 configuration to tools like the AWS command line from inside Blueprints.
 
 `kando` is a tool to simplify object store interactions from within blueprints.
-It has three commands:
+It also provides a way to create desired output from a blueprint phase.
+
+It has the following commands:
 
 * `location push`
 
 * `location pull`
 
 * `location delete`
 
+* `output`
+
 The usage for these commands can be displayed using the `--help` flag:
 
 .. code-block:: bash
@@ -339,18 +343,29 @@ The usage for these commands can be displayed using the `--help` flag:
 
 .. code-block:: bash
 
-$ kando location delete --help
-Delete artifacts from s3-compliant object storage
+  $ kando location delete --help
+  Delete artifacts from s3-compliant object storage
+
+  Usage:
+    kando location delete [flags]
+
+  Flags:
+    -h, --help   help for delete
+
+  Global Flags:
+    -s, --path string      Specify a path suffix (optional)
+    -p, --profile string   Pass a Profile as a JSON string (required)
 
-Usage:
-  kando location delete [flags]
+.. code-block:: bash
 
-Flags:
-  -h, --help   help for delete
+  $ kando output --help
+  Create phase output with given key:value
 
-Global Flags:
-  -s, --path string      Specify a path suffix (optional)
-  -p, --profile string   Pass a Profile as a JSON string (required)
+  Usage:
+    kando output <key> <value> [flags]
+
+  Flags:
+    -h, --help   help for output
 
 The following snippet is an example of using kando from inside a Blueprint.
 
@@ -360,6 +375,7 @@ The following snippet is an example of using kando from inside a Blueprint.
 
   kando location delete --profile '{{ .Profile }}' --path '/backup/path'
 
+  kando output version 0.13.0
 
 Docker Image
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