* Move model into separate file
* Separate Last.FM client and scrobbler
* Use separate Last.FM client and scrobbler
* Fix playcount attribute name
* Add initial test for Last.FM client
* Access HTTP client via interface to allow for testing
* [Minor] Fix typo
* Add initial test cases for ListenBrainz scrobbler
* Fix linter error for insecure TLS in tests
* Use Testify for unit tests
* Move model into separate file
* Embed JSON responses into tests
* [Minor] Fix test function names
* Exclude paths based on new exclude pattern option
* Add test for excluded paths
* Add exclude pattern option to docs
* Set exclude regexp only if given argument is set
* Update scanner/scanner.go
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Co-authored-by: Senan Kelly <senan@senan.xyz>