[Feature] Update FeedRules logic to factor in TeamID and SigningID rules + validation checks

[radsec]

to: @MarkVLK
cc: @airbnb/rudolph-maintainers

Background

Update FeedRules logic to factor in TeamID and SigningID rules + validation checks. Since the new rules, not every rule contains a SHA256 or checksum identifier. Rules now contain random identifiers as such so validation checks should be added for each of these new rule types.

Changes

• Update FeedRules logic to factor in TeamID and SigningID rules
• While the current engine can handle this, it can be difficult to derive the state at which a machine is at when looking at a variety of FeedRules that contain teamID or signingID identifiers. This change makes it clear in the current DynamoDB insertion that Identifier field should be used
• Add validation logic for the new rule types...this can be used in a variety of ways downstream or within the project itself

Testing

Deployed to internal development systems.

[MarkVLK]

LGTM