blog: add some missing posts and rename some urls

4 jobs for blog-fixes in 3 minutes and 55 seconds
Status Job ID Name Coverage
  Test
passed #361820
docker
test

00:01:11

 
  Css
passed #361821
docker
check-css

00:01:22

 
  Deploy
passed #361822
docker
pages

00:01:21

passed pages:deploy

00:00:01