Added ability to view, create, and delete a category

[gbenziv]

xxxx

• Added required API
• Added tables and stackdb entries

Pull Request Checklist

• [ ] I have ensured that my commit message contains the Issue ID.
• [ ] I have ensured that my commit message contains the feature/bugfix description.
• [ ] I have updated the documentation accordingly.
• [ ] I have ensured my code follows the coding guidelines.
• [ ] I have ran lint in my code locally prior to submission.
• [ ] I have built my changes in local successfully.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

[codecov[bot]]

Codecov Report

Merging #237 (5ece22e) into master (9f05930) will increase coverage by 0.14%. The diff coverage is 100.00%.

:exclamation: Current head 5ece22e differs from pull request most recent head 733abe9. Consider uploading reports for the commit 733abe9 to get more accurate results

@@            Coverage Diff             @@
##           master     #237      +/-   ##
==========================================
+ Coverage   94.89%   95.04%   +0.14%     
==========================================
  Files          65       65              
  Lines        1234     1271      +37     
==========================================
+ Hits         1171     1208      +37     
  Misses         63       63              

Impacted Files	Coverage Δ
core/domain/accounting/accountingcontroller.cpp	81.96% <ø> (ø)
core/domain/inventory/interface/inventoryiface.hpp	100.00% <ø> (ø)
core/domain/inventory/inventorycontroller.hpp	100.00% <ø> (ø)
core/validator/productvalidator.hpp	100.00% <ø> (ø)
core/domain/inventory/inventorycontroller.cpp	98.16% <100.00%> (+0.29%)	:arrow_up:
...main/unittest/mock/inventory/inventorydatamock.hpp	100.00% <100.00%> (ø)
core/domain/unittest/test_inventory.cpp	96.98% <100.00%> (+0.31%)	:arrow_up:

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