fix warning exclude

[zunda-pixel]

Fix resource build warning #232

found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /swift-algorithms/Sources/Algorithms/Documentation.docc

Checklist

• I've added at least one test that validates that my change is working, if appropriate
• I've followed the code style of the rest of the project
• I've read the Contribution Guidelines
• I've updated the documentation if necessary

[zunda-pixel]

Should Documentation.docc be in Resources?
#233

[glessard]

@swift-ci please test

[natecook1000]

Thanks, @zunda-pixel! This should be resolved by #240.

[zunda-pixel]

@natecook1000
wow, Are resource warning and swift minimum version related?