Docs

Author: Deraen

doc/ReactRefresh.md

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+# React Refresh
+
+- `reagent.dev` ns must be required before anything that loads `react-dom`
+- Don't call `r.dom/render` after reload (e.g. shadow-cljs hook)
+- Call `reagent.dev/refresh!` instead
+- Only components defined using `r/defc` will refresh
+- Reagent doesn't try to create Hook signatures for components,
+  so hook state is reset for updated components.