Update release instructions

Author: kevgo

DEVELOPMENT.md

@@ -2,5 +2,5 @@
 
 - run all tests: <code type="npm/script-call">npm run test</code>
 - deploy a new version:
-  - update `package.json` to the new version and commit to master
+  - update `package.json` to the new version and commit to main
   - run `npm publish`