Release 2.0.4

📝 Documentation

• #358 Update demo app (@fsmanuel)

🏠 Internal

• #362 Improve Linting (@fsmanuel)
• #360 Bump node version to 14 for CI (@fsmanuel)
• #359 Fix deprecation: ember-data:deprecate-snapshot-model-class-access. (@wuron)
• #357 Update dependencies (@fsmanuel)
• #356 Drop ember-cli-release and ember-cli-github-pages (@fsmanuel)

Committers: 2

• Alexander Chepurnoy (@wuron)
• Manuel Wiedenmann (@fsmanuel)