changes

Author: imrahulkumar

README.md

@@ -2,3 +2,15 @@
 
  Demonstrate server side rendering process in angular 2+.
  [click here](http://angular-ssr.surge.sh/)
+
+# Follow the following step:-
+
+```sh
+-> To integrate the ssr in angular.
+        ng add @nguniversal/express-engine
+-> To make the build.
+        npm run build:ssr
+-> To run the build.
+        npm run serve:ssr
+-> If show any error related to pwa then add pwa.
+        ng add @angular/pwa --project *project-name*