config: updates the config related changes in schemas, CRUD and logic

[ashwiniag]

closes #32

Introduces

• fix all config format related changes
• modularize notifier notifies: modularizing notifier #96
• creates linear notification. Implemented notifier: implementation. Creates atleast linear notification. #102
• CEL parser for report evaluation logic: implement scripting language for notify.when fields for evaluation #103
• adds schema and CRUD for scanNotify. Just basics api: add scanNotify CRUDs #104 Does not write test cases.

curl -X POST http://localhost:8000/api/v1/scannotify \
-H "Authorization: Bearer letsdoit" \
-H "Content-Type: application/json" \
-d '{"scan_id": "59d0f5d3-b70d-4527-b191-61849c5ab802", "hash": "somehash"}'

curl -X GET http://localhost:8000/api/v1/scannotify \
-H "Authorization: Bearer letsdoit" | jq '.'

curl -X GET "http://localhost:8000/api/v1/scannotify?scan_id=59d0f5d3-b70d-4527-b191-61849c5ab802" \
-H "Authorization: Bearer letsdoit" | jq '.'

curl -X PUT http://localhost:8000/api/v1/scannotify/59d0f5d3-b70d-4527-b191-61849c5ab802 \
-H "Authorization: Bearer letsdoit" \
-H "Content-Type: application/json" \
-d '{"hash": "updatedhashvalue"}'

curl -X DELETE http://localhost:8000/api/v1/scannotify/59d0f5d3-b70d-4527-b191-61849c5ab802 \
-H "Authorization: Bearer letsdoit"