[hotfix] Fixing minor issues with the English in the README for the operations-playground
-rw-r--r-- 46 .gitignore
-rw-r--r-- 11357 LICENSE
-rw-r--r-- 1485 README.md
drwxr-xr-x - docker
-rw-r--r-- 4881 howto-update-playgrounds.md
drwxr-xr-x - operations-playground