RFR: Section on cloning [v9]

[Jesper Wilhelmsson]

On Wed, 25 Aug 2021 08:28:36 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> Jesper Wilhelmsson has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Personal clone
>
> src/index.md line 1003:
> 
>> 1001: If you intend to contribute patches to the JDK, you should first *fork* the JDK repository on GitHub and clone your own *personal fork* as shown below. To fork a project on GitHub, go to the [project page](https://github.com/openjdk/jdk) and click the 'Fork' button in the upper right corner, then follow the on screen instructions.
>> 1002: 
>> 1003: All pushes to [openjdk/jdk](https://github.com/openjdk/jdk) require an SSH key which must be installed on GitHub. If this is the first time you clone your personal fork of the [openjdk/jdk](https://github.com/openjdk/jdk) repository you may want to create an SSH key to use with it. See [Generating an SSH key] below. Once you have your personal fork and an SSH key to go with it, go ahead and clone.
> 
> This comment is either wrong or irrelevant. A normal developer cannot push to the openjdk/jdk repo. For your personal fork, you may chose to not use SSH, and instead use https.

Rephrased and clarified. I hope :-)

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PR: https://git.openjdk.java.net/guide/pull/59