Add task to support attribute sourcing

Author: luisherranz

Readme.md

@@ -30,6 +30,7 @@ Feel free to inspect the code, open issues, submit PRs, ask questions...
 - [x] Use `children` instead of `<InnerBlocks.Content />` in Save component to be able to reuse the same component in the Frontend.
 - [x] Serialize attributes and pass them down to the Frontend component.
 - [ ] Support definition of public frontend attributes and only serialize those.
+- [ ] Support attribute sourcing (up for discussion)
 - [x] Wrapperless hydration: https://github.com/luisherranz/block-hydration-experiments/pull/3.
 - [x] Reuse the same `RichText` component across the different environments (Edit, Save, and Frontend): https://github.com/luisherranz/block-hydration-experiments/pull/2.
 - [x] Support `useState` and `useEffect` hook in the Save component to be able to reuse the same component in the Frontend: https://github.com/luisherranz/block-hydration-experiments/pull/3.
@@ -51,4 +52,3 @@ Feel free to inspect the code, open issues, submit PRs, ask questions...
   - [ ] Media
 - [ ] Change hydration technique based on block attributes.
 - [ ] Experiment ways to not hydrate the entire block, only the "client components".
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