Update package readme

Author: ocean90

README.md

@@ -517,6 +517,71 @@ network|site cache, please see docs for `wp transient`.
     $ wp transient type
     Transients are saved to the database.
 
+
+
+### wp transient list
+
+Lists transients and their values.
+
+~~~
+wp transient list [--search=<pattern>] [--exclude=<pattern>] [--network] [--unserialize] [--human-readable] [--fields=<fields>] [--format=<format>]
+~~~
+
+**OPTIONS**
+
+	[--search=<pattern>]
+		Use wildcards ( * and ? ) to match transient name.
+
+	[--exclude=<pattern>]
+		Pattern to exclude. Use wildcards ( * and ? ) to match transient name.
+
+	[--network]
+		Get the values of network|site transients. On single site, this is
+		a specially-named cache key. On multisite, this is a global cache
+		(instead of local to the site).
+
+	[--unserialize]
+		Unserialize transient values in output.
+
+	[--human-readable]
+		Human-readable output for expirations.
+
+	[--fields=<fields>]
+		Limit the output to specific object fields.
+
+	[--format=<format>]
+		The serialization format for the value.
+		---
+		default: table
+		options:
+		  - table
+		  - json
+		  - csv
+		  - count
+		  - yaml
+		---
+
+**AVAILABLE FIELDS**
+
+This field will be displayed by default for each matching option:
+
+* name
+* value
+* expiration
+
+**EXAMPLES**
+
+    # List all transients
+    $ wp transient list
+     +------+-------+---------------+
+     | name | value | expiration    |
+     +------+-------+---------------+
+     | foo  | bar   | 39 mins       |
+     | foo2 | bar2  | no expiration |
+     | foo3 | bar2  | expired       |
+     | foo4 | bar4  | 4 hours       |
+     +------+-------+---------------+
+
 ## Installing
 
 This package is included with WP-CLI itself, no additional installation necessary.