* Add support for custom footer
* amend how the custom footer section is displayed
* Add missing class
* add missing class
* Remove context variable and flag in hugo.yaml
* update hugo_stats
* Only show footer section for copyright and PoweredBy if they are enabled
* Add missing compiled css
* Added necessary variables for correct styling of the custom footer in some cases
* make padding consistent for copyright section and custom footer
* chore: update css
* chore: clean up css
* docs: update customization instructions
* fix: footer padding
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Co-authored-by: Xin <xin@imfing.com>
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