Add config.ddev-drupal-core-dev.yaml from waiting PR

This is part of justafish#31

Rebase will be required when that goes in.

Author: rfay

config.ddev-drupal-core-dev.yaml

@@ -3,7 +3,6 @@
 
 webimage_extra_packages: ["chromium-driver"]
 ddev_version_constraint: '>=v1.23.1'
-omit_containers: ["db"]
 upload_dirs:
 # The install technique tries to remove all of sites/default/files
 # but with DDEV + mutagen that isn't possible.

install.yaml

@@ -36,7 +36,7 @@ post_install_actions:
 
 removal_actions:
   - |
-    for item in ../core/phpunit.xml ../core/.env ../.gitignore; do 
+    for item in ../core/phpunit.xml ../core/.env ../.gitignore; do
       if grep '#ddev-generated' ${item} >/dev/null; then
         rm -f ${item}
       fi