feat(#35): add scope parameter

[Decipher]

Types of changes

• Bug fix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

Added scope parameter, providing support for Simple OAuth2 6.x

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes (if not applicable, please state why)
• All new and existing tests are passing.

Screenshots/Media:

[changeset-bot]

🦋 Changeset detected

Latest commit: ee3b9ed

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
druxt-auth	Minor

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[codecov]

Codecov Report

Merging #37 (ee3b9ed) into develop (940533a) will increase coverage by 0.06%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop      #37      +/-   ##
===========================================
+ Coverage    95.71%   95.77%   +0.06%     
===========================================
  Files            1        1              
  Lines           70       71       +1     
  Branches        26       27       +1     
===========================================
+ Hits            67       68       +1     
  Misses           1        1              
  Partials         2        2              

Files Changed	Coverage Δ
src/index.js	95.77% <100.00%> (+0.06%)	⬆️

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