feat: Add automatic schema inference for writing to Azure Search

[mhamilton723]

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[mhamilton723]

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[codecov]

Codecov Report

Merging #704 into master will decrease coverage by 6.73%.
The diff coverage is 8.97%.

@@            Coverage Diff             @@
##           master     #704      +/-   ##
==========================================
- Coverage   79.96%   73.22%   -6.74%     
==========================================
  Files         231      229       -2     
  Lines        9097     9120      +23     
  Branches      486      466      -20     
==========================================
- Hits         7274     6678     -596     
- Misses       1823     2442     +619

Impacted Files	Coverage Δ
...icrosoft/ml/spark/cognitive/AnamolyDetection.scala	28.86% <ø> (-53.61%)	⬇️
...m/microsoft/ml/spark/cognitive/TextAnalytics.scala	12.35% <ø> (-73.2%)	⬇️
.../scala/com/microsoft/ml/spark/cognitive/Face.scala	52.14% <ø> (-28.58%)	⬇️
...l/spark/recommendation/RecommendationIndexer.scala	83.82% <ø> (ø)	⬆️
...om/microsoft/ml/spark/cognitive/SpeechToText.scala	34% <ø> (-24%)	⬇️
...com/microsoft/ml/spark/cognitive/AzureSearch.scala	6.81% <0%> (-84.1%)	⬇️
.../microsoft/ml/spark/cognitive/ComputerVision.scala	27.65% <0%> (-52.56%)	⬇️
...soft/ml/spark/cognitive/CognitiveServiceBase.scala	7.5% <100%> (-77.25%)	⬇️
...com/microsoft/ml/spark/core/contracts/Params.scala	95.74% <100%> (+0.09%)	⬆️
...ain/python/mmlspark/cognitive/AzureSearchWriter.py	66.66% <100%> (ø)
... and 22 more

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[mhamilton723]

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[mhamilton723]

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[mhamilton723]

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[mhamilton723]

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[mhamilton723]

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[mhamilton723]

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[mhamilton723]

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