Added implementation to fetch and delete food records in HealthKit

[codeCasa]

Description

This PR intends to add the ability the retrieve saved food record by a given timespan, as well as adds functionality to delete a food record. Also, the same functionality to delete a food record can be used to delete other records if someone wishes to extend it.

Fixes #258

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• I have checked my code and corrected any misspellings

[codeCasa]

@GGGava Can I get a review of this?