Refactor ApplicationMailer, gem updates, and improvements to form errors

• Refactor ApplicationMailer by @cpretzer
• Gem updates: google-api-client, factory_bot_rails
• Improvements to form errors by @Mera-Gangapersaud and @julianguyen

New resources and gem updates

• New resources (games) by @julianguyen
• Gem updates: sentry-raven, rubocop-spec, capybara, rubocop, rails-i18n, google-api-client, and activerecord-import

Test for InputLocation and gem updates

• Test for InputLocation by @julianguyen
• Gem updates: google-api-client, cloudinary, carrierwave, react_on_rails, omniauth-google-auth2, activerecord-import, friendly_id, pry-rails, rubocop-rspec,rubocop, activerecord-import, dotenv-rails, sentry-raven, pg, rspec-rails, and bundler-audit

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

Gem updates, a11y improvements, and docker updates

• Update gems: pry-rails, rails-controller-testing, rails, rubocop, letter_opener, cloudinary, google-api-client, omniauth-google-oauth2
• Fix slow Jest tests in CircleCI by @julianguyen
• Upgrade Pell to improve tabbing by @geppy
• Updates to docker-compose.yml by @geppy

Create InputLocation for fields using Google Maps API

Create InputLocation for fields using Google Maps API by @jm96441n

Updates to Modal CSS and Contribute page

• Update and clean up modal CSS by @julianguyen
• Add contributor blurb modals to homepage by @julianguyen
• Add blurb to Contribute page by @LMulvey

Use modals for contributor blurbs

Use modals for contributor blurbs by @LMulvey

Font size a11y improvements

Font size a11y improvements by @julianguyen

Fix UI bugs and update gems

• Update Rails and Capybara
• Fix UI bug on Allies page by @julianguyen
• Improve colour contrast by @julianguyen
• Add Contribute info to About page by @julianguyen