Mypy-boto3

Fixed
- `[aiobotocore-services]` `AioPaginator.paginate` returns `AsyncIterable`

Fixed
- `[types-aiobotocore-docs]` `types-aiobotocore` documentation is in sync with `boto3-stubs`
- `[types-aiobotocore-docs]` Added a list of submodules
- `[service-docs]` Added info about package installation
- `[docs]` Updated `How to install` section
- `[docs]` Updated `Usage` section
- `[docs]` Updated `How it works` section

Fixed
- `[types-aiobotocore]` `AioPaginator` type annotations were not complete
- `[docs]` incorrect `boto3-stubs-lite` package name
- `[docs]` PyCharm instructions now include info regarding `boto3-stubs-lite`

Fixed
- `[builder]` Master package templates were not rendered
- `[types-aiobotocore]` Generated `README.md` files had incorrect package name

Highlights

- Added support for [aiobotocore](https://github.com/aio-libs/aiobotocore) package: [types-aiobotocore](https://pypi.org/project/types-aiobotocore/)
- New `boto3-stubs-lite` package that does not provide overloads to reduce RAM usage in PyCharm
- 100% stubs coverage for `boto3`, `botocore`, `aiobotocore`
- `types-aiobotocore` documentation: https://vemel.github.io/types_aiobotocore_docs/

Added
- `[cli]` `--product` argument to selected between `boto3`, `boto3-services`, `boto3-docs`, `aiobotocore`, `aiobotocore-services`, `aiobotocore-docs`
- `[cli]` `--no-smart-version` argument to disable PyPI check before package versioning
- `[builder]` `boto3-stubs-lite` package
- `[builder]` `types-aiobotocore-lite` package

Changed
- `[botocore-stubs]` version is independent from `boto3-stubs` release
argument
- `[services]` `boto3` documentation links always point to latest version
- `[services]` Added docstrings for `Paginator` and `Waiter` methods

Fixed
- `[boto3-stubs]` No longer `partial` stubs, as they cover 100%
- `[boto3-stubs]` `session.Session` typing improved
- `[botocore-stubs]` No longer `partial` stubs, as they cover 100%
- `[botocore-stubs]` `args` module parsing is now more accurate
- `[builder]` `botocore-stubs` templates were not listed in the package
- `[docs]` Links to PyPI were incorrect sometimes
- `[docs]` `pip` installation instructions did not work in `zsh`

Removed
- `[cli]` `--skip-master` argument, use `--product boto3-services` instead
- `[cli]` `--skip-services` argument, use `--product boto3` instead
- `[cli]` `--docs` argument, use `--product boto3-docs` instead
- `[boto3-stubs]` `__init__.py` file is no longer included

Fixed
- `[services]` Collection batch methods return `List[Response]`, even though docs say otherwise (reported by tekumara in 126)
- `[docs]` Added `conda-forge` installation info to generated READMEs
- `[ci]` Support building packages with an explicitly set version