feat: add feed sync base code

[davidgamez]

Summary:

Summarize the changes in the pull request including how it relates to any issues (include the #number, or link them).

Expected behavior:

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Testing tips:

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Please make sure these boxes are checked before submitting your pull request - thanks!

• [ ] Run the unit tests with ./scripts/api-tests.sh to make sure you didn't break anything
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[davidgamez]

Closing this as it's cover by #760