rspec-snapshot

Bugfix for issue: https://github.com/levinmr/rspec-snapshot/issues/45

features:

• Refactors to move file operations and serializer initialization into separate classes which are then injected into the matcher.
• Add more class/method docs
• Update rubocop and fix lint issues

chores:

• bump ruby version to 3.2
• replace travis CI with github actions workflow
• enable dependabot

Features:

• Fixes a bug when using the matcher as an argument matcher which would print the entire matcher object when the match failed.

Chores:

• Updates dev dependency versions
• Adds unit tests for all classes
• Adds ruby 3 to CI ruby versions

features:

• regenerate all snapshots when UPDATE_SNAPSHOTS env var is set
• use awesome_print for human readable snapshots by default
• allow a custom serializer to be configured globally or per matcher
• handle matching method arguments with snapshots

chores:

• remove unnecessary dependencies, and update remaining versions
• add rubocop linter and simplecov code coverage
• add ruby-version file and set version to 2.7.3
• update gem required ruby version >= 2.5.0
• update travis to use ruby 2.5 - 2.7 and current bundler
• update README to new repo path and reformat for readability
• remove bin/setup, document spec/lint commands
• update code per rubocop violations, add specs to cover all features

First release.