Enhancement: Rename package

[localheinz]

This PR

• renames the package to localheinz/diff so we can use it with localheinz/composer-normalize

Related to ergebnis/composer-normalize#186.

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@d7e7810). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master       #1   +/-   ##
=========================================
  Coverage          ?   99.29%           
  Complexity        ?      211           
=========================================
  Files             ?       12           
  Lines             ?      566           
  Branches          ?        0           
=========================================
  Hits              ?      562           
  Misses            ?        4           
  Partials          ?        0

Impacted Files	Coverage Δ	Complexity Δ
src/Chunk.php	100% <ø> (ø)	9 <0> (?)
...oryEfficientLongestCommonSubsequenceCalculator.php	100% <ø> (ø)	10 <0> (?)
...imeEfficientLongestCommonSubsequenceCalculator.php	100% <ø> (ø)	10 <0> (?)
src/Differ.php	97.5% <ø> (ø)	52 <0> (?)
src/Line.php	100% <ø> (ø)	3 <0> (?)
src/Output/StrictUnifiedDiffOutputBuilder.php	100% <ø> (ø)	46 <0> (?)
src/Output/AbstractChunkOutputBuilder.php	100% <ø> (ø)	8 <0> (?)
src/Exception/ConfigurationException.php	100% <ø> (ø)	3 <0> (?)
src/Output/UnifiedDiffOutputBuilder.php	99.08% <ø> (ø)	36 <0> (?)
src/Diff.php	100% <ø> (ø)	5 <0> (?)
... and 2 more

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