feature: Add CephFs backend to storage-proxy
Migration to Mono Repository. Feature implementation and solution for issue CephFS quota support #237 and part of #50.
After the CephFS is installed and vfolder directory is set and mounted. Storage proxy can create folders in designated directory and set the quotas limits.
The guide and script about testing Ceph is at manual
I have tested the CephFs cluster on Mac-Mini-03 machine. And linter checks passed and ready for integration. Cluster of 5 nodes were created using Vagrant VM. The manual how the system was setup and how to use in cli the ceph quotas are here: manual The pull request in separate Storage-Proxy repository can be removed. https://github.com/lablup/backend.ai-storage-proxy/tree/feature/filebrowser-in-storage-proxy