add changelog

Author: SwampDragons

CHANGELOG.md

@@ -0,0 +1,11 @@
+## 1.0.0 (June 14, 2021)
+
+* Update packer-plugin-sdk to version 0.2.3. [GH-29]
+
+## 0.0.2 (April 21, 2021)
+
+* fast-follow release to fix goreleaser on github.
+
+## 0.0.1 (April 21, 2021)
+
+* Hyper-V Plugin break out from Packer core. Changes prior to break out can be found in [Packer's CHANGELOG](https://github.com/hashicorp/packer/blob/master/CHANGELOG.md).