replace doc

packages/dooringx-dumi-doc/README.md

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+# dooringx-dumi-doc
+
+## Getting Started
+
+Install dependencies,
+
+```bash
+$ npm i
+```
+
+Start the dev server,
+
+```bash
+$ npm start
+```
+
+Build documentation,
+
+```bash
+$ npm run docs:build
+```
+
+Build library via `father-build`,
+
+```bash
+$ npm run build
+```