Add blog post about MongooseIM 6.2.1

[chrzaszcz]

Add a blog post about release 6.2.1 of the MongooseIM XMPP server.

Posted by a sponsor (Erlang Solutions).

[chrzaszcz]

@cal0pteryx I see you marked it as draft. What should I do to move this forward?

[cal0pteryx]

Hi @chrzaszcz
@Echolon sent you some notes. Let me know if you need any help!

The logo can be added like this:

{{< figure src="/images/logos/erlang-solutions.png" class="p-2 sponsor-logo" >}}

[chrzaszcz]

Hi @chrzaszcz @Echolon sent you some notes.

Hi, I am not sure what you mean. I haven't received any notes yet. I can add a sponsor's logo of course, but I feel I am missing something. Could I ask for some comments as code review of this PR?

[Echolon]

Hi Pawel, I will respond tonight. 27 may 2024 9:55:46 Paweł Chrząszcz ***@***.***>:

…

> Hi @chrzaszcz @Echolon sent you some notes. Hi, I am not sure what you mean. I haven't received any notes yet. -- Reply to this email directly or view it on GitHub: #1386 (comment) You are receiving this because you were mentioned. Message ID: ***@***.***>

[Echolon]

@chrzaszcz I have added two commits. Let me know if you like them

[chrzaszcz]

@chrzaszcz I have added two commits. Let me know if you like them

Thanks a lot, it looks great to me 👍