docs: add back missing cypress setup

packages/noco-docs/content/en/engineering/development-setup.md

@@ -36,4 +36,22 @@ npm install
 npm run dev 
 ```
 
-Any changes made to frontend and backend will be automatically reflected in the browser.
+Any changes made to frontend and backend will be automatically reflected in the browser.
+
+### Cypress
+
+```shell
+# install dependencies(cypress)
+npm install
+# run mysql database with required database using docker compose
+docker-compose -f ./scripts/docker-compose-cypress.yml up
+# Run backend api using following command
+npm run start:api
+# Run frontend web UI using following command
+npm run start:web
+# wait until both 3000 and 8080 ports are available
+# and run cypress test using following command
+npm run cypress:run
+# or run following command to run it with GUI
+npm run cypress:open
+```