docs: explain the release script in more detail

README.md

@@ -667,13 +667,15 @@ npm run test            # Run unit tests in watch mode
 npm run test-ci         # Run unit tests once
 npm run coverage        # Run unit test coverage (output in ./coverage)
 
+npm run check           # Run Svelte checks
 npm run lint            # Run linter
 npm run format          # Automatically fix linting issues
 
 npm run release-dry-run # To run the build and see the change list without actually publishing
-npm run release         # Publish to npm (requires login). It will increase the version number,
-                        # update changelog, etc. Note that it will publish two npm packages:
-                        # `svelte-jsoneditor` and `vanilla-jsoneditor`.
+npm run release         # Publish to npm (requires login). This will test, check, lint, build,
+                        # increase the version number, update the changelog, and publish to npm.
+                        # Note that it will publish two npm packages: `svelte-jsoneditor`
+                        # and `vanilla-jsoneditor`.
 ```
 
 ## License