WIP: bring participo back - consistent use of bootstrap - formatting -

phpstan level 0 error free - fixes for kyu subpage - move mams into
participo framework - remove legacy `lib/db.php` usage - add attributer
admin function - add newsposter - fixing apiKey creation

homepage/participo/.gitignore

@@ -1,3 +1,11 @@
+# a possible virtual environment
+# @todo Check if this directory even needs one
+.venv/
+__pycache__/
+# typings for python type checking
+# @todo See if python code should even bee in this directory!
+typings/
+
 local/*.php
 node_modules/*
 testApi.config.yaml