Gem updates, improvements to compare_locales_support_spec, update translations, and new Resources

• Gem updates to rubocop, letter_opener, cloudinary, google-api-client, omniauth-google-oauth2, groupdate, font-awesome-sass, and react_on_rails
• Rewrite compare_locales_support_spec to be dynamic by @matcha440
• Add more Resources by @julianguyen
• About us translations by @julianguyen
• Add description and resource count to Resources page by @julianguyen