Update ecctl-getting-started.asciidoc (#102)

Encourage HTTPS usage.

Author: Kushmaro

docs/ecctl-getting-started.asciidoc

@@ -112,7 +112,7 @@ $ ecctl init
 Welcome to the Elastic Cloud CLI! This command will guide you through authenticating and setting some default values.
 
 Missing configuration file, would you like to initialise it? [y/n]: y
-Enter the URL of your ECE installation: http://192.168.44.10:12300
+Enter the URL of your ECE installation: https://192.168.44.10:12434
 
 What default output format would you like?
   [1] text - Human-readable output format, commands with no output templates defined will fall back to JSON.
@@ -284,4 +284,4 @@ If you are interested in becoming a part of this project, take a look at link:ht
 == Release Process
 
 See the link:https://github.com/elastic/ecctl/blob/master/developer_docs/RELEASE.md[release guide].
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+////