feat: treat doc-entries markdown files as asset/source

rsbuild.config.ts

@@ -18,6 +18,15 @@ export default defineConfig({
       },
     },
     rspack: {
+      module: {
+        rules: [
+          {
+            // Built-in doc entries are statically imported as strings
+            test: /[\\/]doc-entries[\\/].*\.md$/,
+            type: "asset/source",
+          },
+        ],
+      },
       plugins: [
         process.env.ANALYZE ? new BundleAnalyzerPlugin() : undefined,
       ].filter(Boolean),