Update dependency of RLBase

[findmyway]

• Move environment wrappers and basic environments here

[codecov-io]

Codecov Report

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@@            Coverage Diff            @@
##             master     #103   +/-   ##
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  Coverage          ?   68.75%           
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  Files             ?       30           
  Lines             ?     1069           
  Branches          ?        0           
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  Hits              ?      735           
  Misses            ?      334           
  Partials          ?        0           

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