Add beta1 release notes (#123)

* Add beta1 release notes

* Shorten table of content entry

* Address Karen's review comments

Author: Nik Richers

docs/ecctl-release-notes.asciidoc

@@ -0,0 +1,49 @@
+[id="{p}-release-notes"]
+== Release notes
+
+This section summarizes the changes in each {n} release.
+
+* <<{p}-release-notes-v1.0.0-beta1>>
+
+[id="{p}-release-notes-v1.0.0-beta1"]
+=== Elastic Cloud Control (ecctl) v1.0.0-beta1
+++++
+<titleabbrev>v1.0.0-beta1</titleabbrev>
+++++
+
+Elastic cloud control (ecctl) is Elastic’s CLI interface to manage the Elastic Cloud Enterprise platform and is now open for a public beta.
+
+New for v1.0.0-beta1:
+
+* *New APIs for ecctl deployment commands*. With the availability of our deployment APIs for ECE, we’ve switched the `ecctl deployment` commands to make use of the new APIs. This switch ensures better supportability and compatibility with ECE functionality and allows you to fully control your deployments. 
++
+Use the `ecctl deployment` commands to:
++
+** Create, update, read, and delete deployments
+** Perform maintenance and upgrades
+** Start and stop deployments 
+
+* *New `elasticsearch keystore` commands*. You can now manage your Elasticsearch keystore through ecctl by setting an Elasticsearch keystore or showing the current configuration.
++
+--
+Example usage:
+
+`ecctl elasticsearch keystore show` - shows the current keystore configuration
+
+`ecctl elasticsearch keystore set` - sets a new keystore configuration
+--
+
+* *Track resource changes using the `--track` flag*. When creating, updating, or shutting down deployments, you can now use the `--track` flag to track progress for changes to deployments in a synchronous manner.
+
+* *Simple initialization*. TLS verification has been turned off for the `init` command so that you can configure ecctl against a self-signed ECE instance with greater ease.
+
+[float]
+==== Bug fixes
+
+We fixed the following bugs:
+
+* The `ecctl user key show` command no longer sends faulty parameters to the API server and now works as expected. https://github.com/elastic/ecctl/pull/58[#58]
+* Issues with the `init` command not being able to persist ecctl configuration to the home directory have been resolved. https://github.com/elastic/ecctl/pull/39[#39]
+* The `ecctl` commands now honor the `--timeout` flag in any of the commands as expected, where before a static 30s timeout was used even when `Http.Client.Timeout` was specified. https://github.com/elastic/ecctl/pull/100[#100]
+
+_Release date: January 9, 2020_

docs/index.asciidoc

@@ -6,3 +6,5 @@
 include::{asciidoc-dir}/../../shared/attributes.asciidoc[]
 
 include::ecctl-getting-started.asciidoc[]
+
+include::ecctl-release-notes.asciidoc[]