return types on storage.ts

[cmwylie19]

Describe what should be investigated or refactored

As we work to make Pepr stronger typed, Storage is missing many return types.

pepr/src/lib/storage.ts
   15:8   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
   19:8   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
   23:8   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
   83:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
   87:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
   99:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
  107:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
  115:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
  119:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
  131:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
  157:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
  178:15  warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
  181:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
  189:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
  193:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
  200:24  warning  Missing return type on function  @typescript-eslint/explicit-function-return-type
  209:3   warning  Missing return type on function  @typescript-eslint/explicit-function-return-type

Links to any relevant code

(optional) i.e. -

pepr/README.md

Line 3 in 24f1f25

[](./docs/README.md)

Additional context

Add any other context or screenshots about the technical debt here.