feat(cdp): rudderstack hog function

[MarconLP]

Changes

• add rudderstack hog function
• add this code
• add tests

Changes compared to the old plugin:

• $elements property isn't being sent anymore (didn't work anyways) (link)
• Properties will be sent even if something is null

Example:

How did you test this code?

compare the webhook payload to the old rudderstack plugin

[benjackwhite]

So far looking good. Once the tests are there ping me for a review again and we can get this shipped 🙌

[github-actions]

Size Change: +37 kB (+3.44%)

Total Size: 1.11 MB

Filename	Size	Change
frontend/dist/toolbar.js	1.11 MB	+37 kB (+3.44%)

_{compressed-size-action}

[benjackwhite]

Looks great!