Trying with something in resources.

manuscript/Book.txt

@@ -1 +1,18 @@
-Empty.markua
+preface.markua
+introduction.markua
+fundamentals--building-our-own-react.markua
+rendering-model.markua
+diagnosing-bottlenecks.markua
+reducing-renders.markua
+improving-dom-merge-performance.markua
+reducing-number-of-components.markua
+windowing.markua
+performance-tools.markua
+js-performance-tools.markua
+code-splitting.markua
+server-side-rendering.markua
+concurrent-rendering.markua
+ux.markua
+js-service-workers.markua
+keys.markua
+reconciliation.markua