Update docs for use with DbContext and Repository Pattern#204

Merged

ardalis merged 2 commits intoardalis:mainfrom

KyleMcMaster:main

Jan 12, 2022

Commits on Jan 11, 2022

Add first pass of dbcontext and repository docs, cleanup usings
KyleMcMaster
committed
Update docs to demonstrate adding Specification support to existing repository
KyleMcMaster
committed