Merge branch 'master': add abiword

README.md

docker_test.sh

pica-codimd/Dockerfile

pica-codimd/README.md

pica-codimd/deleteOldPad.py

pica-codimd/docker-compose.yml

pica-codimd/entrypoint.sh

pica-codimd/secrets/codimd-db.secrets.example

pica-db-backup-rotation/config/backup_config.json

pica-db-backup/config/backup_config.json

pica-db-backup/docker-compose.yml

pica-db-backup/secrets/db.secrets.example

pica-etherpad/Dockerfile

pica-etherpad/docker-compose.yml

pica-etherpad/landing-page/build/build.sh

pica-etherpad/landing-page/static/img/picasoft_logo_pad.png

pica-grafana-prom/prometheus.yml

pica-graphbot/Dockerfile

pica-graphbot/config.json

pica-graphbot/docker-compose.yml