RFR: bot: add version handler

[Erik Joelsson]

On Mon, 24 May 2021 14:08:45 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this patch that adds a version handler, typically listening on the path `/version`. This simple handler just returns the version of the running bots, useful for scripting or dashboards. Typical configuration:
> 
> 
> {
>   "http-server": {
>     "/version": {
>       "type": "version"
>     }
>   }
> }
> 
> 
> Example of usage:
> 
> 
> $ curl http://localhost:8080/version
> bd09ee70259733dc2e18577da6a36462c900dba3
> 
> 
> Testing:
> - [x] Tested locally on Linux x64
> 
> Thanks,
> Erik

Marked as reviewed by erikj (Lead).

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PR: https://git.openjdk.java.net/skara/pull/1165