Add changelog for release v0.10.0-alpha.1 (#621)

Author: xmudrii

CHANGELOG.md

@@ -1,5 +1,17 @@
 # Changelog
 
+# [v0.10.0-alpha.1](https://github.com/kubermatic/kubeone/releases/tag/v0.10.0-alpha.1) - 2019-08-16
+
+## Added
+
+* Add ability to configure static networking for worker nodes ([#606](https://github.com/kubermatic/kubeone/pull/606))
+
+## Changed
+
+* Flannel CNI is forced use an internal network if it's available ([#598](https://github.com/kubermatic/kubeone/pull/598))
+* Update `machine-controller` to v1.5.1 ([#602](https://github.com/kubermatic/kubeone/pull/602))
+* Update [DigitalOcean Cloud Controller Manager (CCM)](https://github.com/digitalocean/digitalocean-cloud-controller-manager) to v0.1.16 ([#591](https://github.com/kubermatic/kubeone/pull/591))
+
 # [v0.10.0-alpha.0](https://github.com/kubermatic/kubeone/releases/tag/v0.10.0-alpha.0) - 2019-07-17
 
 ## Attention Needed