docs(bloc): update example to follow naming conventions

[felangel]

Status

READY

Breaking Changes

NO

Description

• docs(bloc): update example to follow naming conventions

Type of Change

• ✨ New feature (non-breaking change which adds functionality)
• 🛠️ Bug fix (non-breaking change which fixes an issue)
• ❌ Breaking change (fix or feature that would cause existing functionality to change)
• 🧹 Code refactor
• ✅ Build configuration change
• 📝 Documentation
• 🗑️ Chore

[codecov]

Codecov Report

Merging #3029 (91f1633) into master (35e618e) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master     #3029   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            9         8    -1     
  Lines          176       184    +8     
=========================================
+ Hits           176       184    +8     

Impacted Files	Coverage Δ
packages/flutter_bloc/lib/src/bloc_listener.dart
...ages/flutter_bloc/lib/src/repository_provider.dart
packages/flutter_bloc/lib/src/bloc_provider.dart
packages/flutter_bloc/lib/src/bloc_selector.dart
packages/flutter_bloc/lib/src/bloc_consumer.dart
packages/flutter_bloc/lib/src/bloc_builder.dart
...ages/flutter_bloc/lib/src/multi_bloc_provider.dart
...lutter_bloc/lib/src/multi_repository_provider.dart
...ages/flutter_bloc/lib/src/multi_bloc_listener.dart
packages/bloc/lib/src/change.dart	100.00% <0.00%> (ø)
... and 7 more

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