real time streaming directly from webrtc client

[Geni-96]

The current implementation can read from a file in batches and once a batch upload is complete, it deletes them from db.
Updates:-

1. Read chunk by chunk from a readable stream(created from mediarecorder)
2. Stream the chunks in the correct order to ozwell concurrently.
3. Delete the individual chunk from db if ozwell confirms the chunk is received.
4. Timer based retry logic for uploading and storing chunks in db.
5. A message indicating that the call ended, so that we can close connections.

[horner]

@Geni-96 lets block time to discuss this. Not sure why we need this for RTC? Also, the code is got bloat in it. There should only be one uploader.

[horner]

This seems like code bloat where functions are recreated rather than being used. We want DRY lasagna not WET spaghetti.

[horner]

this should be not be done again where there already is something.