Update deployment steps

DEPLOYMENT.md

@@ -1,14 +1,19 @@
 # How to publish new feature:
 
+in feature branch:
+
 1. Update unit tests
 2. Update storybook
 
-3. Update version in `package.json`
+3. Update docs in `README.md`
+4. Update docs in `src/docs`
 
-4. Update docs in `README.md`
-5. Update docs in `src/docs`
-6. `yarn build:docs`
+in main branch:
 
-7. `npm publish`
-8. Merge feature branch
-9. Create release in GitHub
+5. Update version in `package.json`
+6. `yarn`
+7. `yarn build:docs`
+
+8. `npm publish`
+9. Merge feature branch
+10. Create release in GitHub