nit. update changelog

CHANGELOG.md

@@ -1,2 +1,22 @@
 # v0.1.0-alpha
-- Initial binary release build
+- Initial binary release build
+
+CLI 
+
+```
+Command line utility to work with CimFS on Windows
+
+Usage: cimutil.exe [OPTIONS] <COMMAND>
+
+Commands:
+  new       Creates and builds a new CIM image,
+  fork      Create and builds a new CIM image based on a pre-existing image,
+  mount     Mounts a cim image as a read-only volume,
+  dismount  Dismounts a cim image by volume-id,
+  help      Print this message or the help of the given subcommand(s)
+
+Options:
+      --trace        Enables trace logging
+      --root <ROOT>  Sets the root path containing the cim images and data, [default: .]
+  -h, --help         Print help (see more with '--help')
+```