Back end service for DistributedDB that writes encrypted blocks to file
- Accepts Read, Write, or Delete commands
- JSON is posted with method type (Read | Write | Delete), hashed keys, and data blocks if Write
- On write, write all blocks to file with filenames as the keys
- On delete, delete all files with given keys as filenames
- On read, read in files from filenames and respond with JSON of just the data blocks
- TODO: Exceptions
- TODO