fix: gitignore should include release.config.js (#1016)

This file didn't get committed in
#1015 because of the gitignore so this
PR fixes it

Author: styfle

.gitignore

@@ -21,6 +21,7 @@ dist/**/*.js
 !yarn.lock
 !.circleci
 !.github
+!release.config.js
 !.*ignore
 !readme.md
 !examples/

release.config.js

@@ -0,0 +1,4 @@
+module.exports = {
+  branches: ['main'],
+  tagFormat: '${version}',
+}