added more readme

README.md

@@ -1,23 +1,31 @@
 Nuxt.js incremental build experiment
 
+Nuxt.js allows partial build with `--no-build` command.
+
 ## How to run
 
-Do initial build with
+Do initial build (`nuxt generate`) with
 ```
 npm run initial-build
 ```
-Then move the built files to `mock-cache-dir`
+Then move the built directory to `mock-cache-dir` with command below. This will move `dist` and `.nuxt` to `cache-mock` dir,
+
 ```
 npm run mock-cache-dir
 ```
 
-Generate files only for new route with
+Now, run the partial build with
+
 ```
 npm run incremental-build
 ```
 
-Merge new build with initial build with
+This will move `.nuxt` back to first level dir (Nuxt's partial build skips the build for common assets such as js, css. It references `.nuxt` folder to generate the path), then generate pages for dynamic routes.
+
+
+Merge new(partial) build with initial build
 ```
 npm run merge
 ```
-New build will get merged into the initial build in `cache-mock` directory.
+
+New build will get merged into the initial build in `cache-mock/dist` directory.