RuboCop Complexity Fix: Extract Unit Options from Roadmap
RuboCop Complexity Fix: Extract Unit Options from Roadmap

Fixes https://github.com/iaserrat/roadmapster/issues/14

This pull request extracts `unit_options` from `create_unit` in `Roadmap`. It fixes the following offenses and their counts:

2   Metrics/LineLength
2   Style/StringLiterals
1   Metrics/AbcSize
1   Metrics/CyclomaticComplexity
1   Metrics/MethodLength
1   Metrics/PerceivedComplexity
1   Style/FrozenStringLiteralComment
1   Style/MutableConstant

The overall violations are down to 84 (from 94).

iaserrat/roadmapster,iaserrat/roadmapster