chore: add additional files/folders to npmignore

Author: KyleRoss

.npmignore

@@ -4,12 +4,15 @@
 gh-pages
 site
 .eslintrc.yml
-.releaserc
+release.config.js
 commitlint.config.js
+tsconfig.json
+tsconfig.eslint.json
 *.test.js
 jest.config.js
 .all-contributorsrc
 .codeclimate.yml
 babel.config.js
 CHANGELOG.md
 README.md
+src