PSR12 compatibility

[JLTRY]

There are a lot of warnings errors seen if we launch JED checker

Ther are also warnings seen if we launch phpcs --

phpcs_attachmement.txt

[yild]

uhh... I was curious whats those red 'circles' ware... some of them are those that I mentioned in #133 (comment)

I'm more concern with

so extension name should drop "for Joomla..." to be compliant with JED rules.

and this is 'just' first row... ;)

[JLTRY]

Still issues in phpcs

phpcs_attachments_2.txt

[JLTRY]

It will be a long run task to fix all errors

[yild]

You don't have to make all fixes in one go

[JLTRY]

Don't worry I am quite at 2/3 of fixes
I have got time.
I start my retirement today !!!
I will publish then a pre release to be able to test

[JLTRY]

All warnings for admin admin site normally fixed
directory test excluded
phpcs --standard=PSR12 --ignore=test . > phpcs_attachments_3.txt
phpcs_attachments_3.txt

[JLTRY]

remaining issues are due to bad implementation of plugins

phpcs_attachments_4.txt