feat: core pacakge for seamless experiment integration

[bgiori]

Sibling PRs:

• core implementation: feat: core package for seamless integration with amplitude analytics experiment-js-client#15
• experiment integration: feat: integrate core package into experiment sdk experiment-js-client#16

Summary

• Adds dependency on core package for seamless integration with experiment SDK.
• Core dependency provides IdentityStore and AnalyticsConnector
  • IdentityStore maintains an in memory user identity (including user properties) which can be listened to for changes.
  • AnalyticsConnector allows experiment to send automatic exposure events, including setting and unsetting user properties.

Checklist

• Does your PR title have the correct title format?
• Does your PR have a breaking change?: No

[secure-code-warrior-for-github]

Based on output from pull request status check:

Micro-Learning Topic: Rate limiting (Detected by phrase)

Matched on "rate limiting"

What is this? (2min video)

API requests demand resources such as network, CPU, memory, and storage. The amount of resources required to satisfy a request depends on the user input and endpoint business logic. Not only can this impact the API server performance, leading to Denial of Service (DoS), but it also leaves the door open to authentication flaws such as brute force attacks.

Try this challenge in Secure Code Warrior

[bgiori]

@qingzhuozhen @kevinpagtakhan

Any info on the CodeQL check that is failing? Not sure what to do here.

[kevinpagtakhan]

Any info on the CodeQL check that is failing?

Seeing it first time here on this PR. But I'd say we can dismiss for now. The server and route is only used for testing.

[github-actions]

🎉 This PR is included in version 8.17.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• v8.17.0
• GitHub release

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