Swimos

<b>Changelog:</b>
* Added a manifest file to fix the `sdist`.
* Fixed new lint issues flagged by the new version of `flake8`.

<b>Changelog</b>:

* Added event downlinks.
* Added map downlinks.
* Added `Unlinked Response` handling with appropriate warnings.
* Removed the asyncio `Executor` and added better support for regular functions in the downlink callbacks.
* Added blocking flag for `set` method of downlinks, which will ensure the order of `set` requests.
* Downlinks to existing connections now display the value of the remote lane when opened.
* Minor bug fixes for internal status handling of the client, downlinks and connections.
* Increased unit test coverage to 100% and added missing documentation.
* Formalised the puclic API of the package.

Changelog:

* Added `warp` as alias of `ws` for remote host URIs.
* Downlinks to the same host, node and lane are now handled by a single downlink model which is accessed through different downlink views.
* Improved the exception handling and introduced a debug mode for the client that shows the full stack traces.
* Implemented automatic conversion from primitive data types to recon when used in downlinks.
* Implemented Python object to recon serializer.
* Implemented Recon to Python object deserializer.
* Improved documentation and added type annotations to all methods.
* Added unit tests to cover all modules.
* Minor bug fixes.

Changelog:

* Changed the name of the base module to match the package name.
* Increased code documentation.
* Removed bugs.

Changelog:

* The client can now be opened using a `with` statement.
* Value downlinks now have `get` method with optional blocking behaviour.
* Value downlinks now can be closed individually using `close()` method.
* The client can now send commands using `command()` method.
* Added specialised `Bool` class in the swim structure module for handling Boolean values.
* Fixed a bug preventing the `rate` and `priority` of Envelopes to be parsed correctly.
* Improved the support for nested structures in messages.
* Removed minor bugs.
* Removed redundant code.
* Increased stability.

Initial release focused on setting up the CI/CD process.