Add InsurancePlans class

[zi-yii]

InsurancePlans class is to support the addition of more than 1 insurance plans to Person class later on. This is because each client can purchase more than 1 insurance plan.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 15 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...address/model/person/insurance/InsurancePlans.java	0.00%	15 Missing :warning:

Files with missing lines	Coverage Δ	Complexity Δ
...address/model/person/insurance/InsurancePlans.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)

[RezwanAhmed123]

49 partly completed.