Add stock flow views and api

[Jzow]

No description provided.

[codecov]

Codecov Report

Attention: 10 lines in your changes are missing coverage. Please review.

Comparison is base (6a23d11) 3.08% compared to head (f5222c6) 3.08%.
Report is 26 commits behind head on master.

Files	Patch %	Lines
...ava/com/wansenai/dto/report/QueryStockFlowDTO.java	0.00%	5 Missing ⚠️
.../main/java/com/wansenai/vo/report/StockFlowVO.java	0.00%	3 Missing ⚠️
...in/java/com/wansenai/vo/report/ProductStockVO.java	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             master    #197      +/-   ##
===========================================
- Coverage      3.08%   3.08%   -0.01%     
  Complexity       30      30              
===========================================
  Files           231     231              
  Lines          4341    4349       +8     
  Branches        226     226              
===========================================
  Hits            134     134              
- Misses         4193    4201       +8     
  Partials         14      14              

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