Add a time method

[sergeysova]

I'm going to add docs and type tests after a code review

Checklist for a new method

• Create a directory for the new method in the src directory in param-case
• Place the source code to src/method-name/index.ts in ESModules export in camelCase named export
• Add tests to src/method-name/method-name.test.ts
• Add fork tests to src/method-name/method-name.fork.test.ts
• Add type tests to test-typings/method-name.ts
  • Use // @ts-expect-error to mark expected type error
  • import { expectType } from 'tsd' to check expected return type
• Add documentation in src/method-name/reade.md
  • Add header Patronum/MethodName
  • Add section with overloads, if have
  • Add Motivation, Formulae, Arguments and Return sections for each overload
  • Add useful examples in Example section for each overload
• Add section to README.md in the repository root
  • Add method to the table of contents into correct category - [MethodName](#methodname) - description.
  • Add section ## MethodName
  • Add [Method documentation & API](/src/method-name) into section
  • Add simple example

closes #152

[igorkamyshev]

Sonds great

[igorkamyshev]

@sergeysova any updates here? Maybe I can help you somehow?

[sergeysova]

@igorkamyshev Need a documentation and type tests.