Add files

README.md

argocd-server-ingress.yaml

argocdsetup.yaml

backend-express/.circleci/config.yml

backend-express/.dockerignore

backend-express/.gitignore

backend-express/.gitlab-ci.yml

backend-express/.travis.yml

backend-express/Dockerfile

backend-express/README.md

backend-express/app.js

backend-express/config/index.js

backend-express/config/passport.js

backend-express/models/Article.js

backend-express/models/Comment.js

backend-express/models/User.js

backend-express/package.json

backend-express/project-logo.png

backend-express/public/.keep

backend-express/routes/api/articles.js