Fix `wipe_everything.rb` Script to handle FK Checks

[TimothyDLewis]

Fix for #1195

File Changes:

• Gemfile.lock
  • Adds new platform x86_64-darwin-21
  • Adds nokogiri reference (same version as linux Platform)
• scripts/wipe_everything.rb
  • Adds SET FOREIGN_KEY_CHECKS SQL to disable FK checks during DELETE FROM {table} Calls (re-enables when finished)
  • Adds Community.create(name: 'Dev Community', host: 'localhost:3000') (from initial setup document: https://collab.codidact.org/posts/280451/280452)
  • Adjusts Seeder command (removes bundle exec)

Screenshots: