Update npmignore file
MODIFY
.npmignore
.npmignore
/.editorconfig
/.ember-cli
/.env*
+/.eslintcache
/.eslintignore
/.eslintrc.js
/.git/
+/.github/
/.gitignore
+/.prettierignore
+/.prettierrc
/.template-lintrc.js
/.travis.yml
/.watchmanconfig
/ember-cli-build.js
/testem.js
/tests/
+/yarn-error.log
/yarn.lock
.gitkeep
# ember-try
/.node_modules.ember-try/
/bower.json.ember-try
+/npm-shrinkwrap.json.ember-try
/package.json.ember-try
+/package-lock.json.ember-try
+/yarn.lock.ember-try
+# custom
+/.husky/
/config/addon-docs.js
+/config/deploy.js
+/RELEASE.md

Update npmignore file (#1167)