Added rollup-plugin-prettier to Related Projects in README.md (#2616)
Added rollup-plugin-prettier to Related Projects in README.md (#2616)

Added a link and description to rollup-plugin-prettier (https://github.com/mjeanroy/rollup-plugin-prettier) to the 'Related Projects' section
prettier/prettier,Skywalker13/prettier-space-parenthesis,existentialism/prettier,rattrayalex/prettier,rattrayalex/prettier,existentialism/prettier,azz/prettier,existentialism/prettier,Skywalker13/prettier-space-parenthesis,prettier/prettier,jlongster/prettier,azz/prettier,existentialism/prettier,Skywalker13/prettier-space-parenthesis,prettier/prettier,Skywalker13/prettier-space-parenthesis,lydell/prettier,lydell/prettier,azz/prettier,lydell/prettier,azz/prettier,lydell/prettier,rattrayalex/prettier,prettier/prettier