feat: Add methods to computeProgress for median and average (#17)

* fix: Extend LinearCareTaskProgress instead of CareTaskProgressStrategy

* test: Made test cases for the three functions 'averagingOutcomeValues', 'medianOutcomeValues', and 'streak' from the CareTaskProgressStrategy file.
feat: Add 'Mocking' folder with 'OCKEvent' file
Created a new folder named 'Mocking' and added the 'OCKEvent' file. This allows users to utilize 'OCKAnyEvent' for creating test cases.
docs: Add documentation for task progress computation strategy

* adding files

* lint

* remove swap file

* add tests

* improve test cases

* removed all streaking from framework

* nit

* Move mocker to test files only

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Co-authored-by: Corey <[email protected]>