Subgrounds

Fix

* Nested filters ([40](https://github.com/0xPlaygrounds/subgrounds/issues/40)) ([`3f3f575`](https://github.com/0xPlaygrounds/subgrounds/commit/3f3f5753bf5dba9ac39664156b76f81697055a23))

Documentation

* Update CHANGELOG.md ([`7ef0876`](https://github.com/0xPlaygrounds/subgrounds/commit/7ef08764cd27478ab9797f2823a823cbbe095ec2))

Feature

* Async support for subgrounds (+ more) ([36](https://github.com/0xPlaygrounds/subgrounds/issues/36)) ([`929a882`](https://github.com/0xPlaygrounds/subgrounds/commit/929a88221ac571b1a45b5877e62d6d4cb2d1a91e))
* Ability to create custom clients via `SubgroundsBase`

Changes
- The entirety of how subgrounds coordinates the production, transformation, and pagination of requests has been completely reworked from the ground up.
- Instead of a recursive call stack, transformation and pagination is lazily computed.
- Then, a client (implementing `SubgroundsBase`), *drives* the actual processing of requests/responses until completion.
- Subgrounds models the [sans-io](https://sans-io.readthedocs.io/) approach to handling requests
- This means subgrounds is untangled from actually making IO
- This has enabled custom clients, allowing anyone to customize subgrounds interface.
- Various rewrites, reworks, and improvements to documentation.

Fix

* `add` method of `Selection` class ([39](https://github.com/0xPlaygrounds/subgrounds/issues/39)) ([`5c18dec`](https://github.com/0xPlaygrounds/subgrounds/commit/5c18dec14fb78176238d3bda2c0e6a3016de0b4e))

Documentation

* Update README links ([`f271706`](https://github.com/0xPlaygrounds/subgrounds/commit/f271706fee42c90ab99840bac65952217a5aaf1a))

Feature
* Add helpers for accessing the playgrounds gateway ([21](https://github.com/0xPlaygrounds/subgrounds/issues/21)) ([`e44aee6`](https://github.com/0xPlaygrounds/subgrounds/commit/e44aee65649bff192321cfd82436b65da236d870))

Documentation
* Add open in colab button ([`02ff722`](https://github.com/0xPlaygrounds/subgrounds/commit/02ff7226e54920f411a9817f1eb26c757e4a2a32))
* Add gateway notebook as another example ([`98eab32`](https://github.com/0xPlaygrounds/subgrounds/commit/98eab32d4bb9fcae072dcceefae94a8692e10852))
* Adjust example notebook for colab ([`6210556`](https://github.com/0xPlaygrounds/subgrounds/commit/62105568b61c3a155ee07c6077b4b1e1d81f27fd))
* Adjust wording in example notebook ([`357c6d8`](https://github.com/0xPlaygrounds/subgrounds/commit/357c6d859aea36d680cfde7d728a24a66ae67193))
* Add example notebook + swap binder for colab ([`06cc728`](https://github.com/0xPlaygrounds/subgrounds/commit/06cc72860e2d83fc200b1198519da5963a85b0c1))
* Add CI status badge to README.md ([`4c6dca9`](https://github.com/0xPlaygrounds/subgrounds/commit/4c6dca90174cbbfd990dbf7906bf75ee50f4d65a))
* Broken link in README ([19](https://github.com/0xPlaygrounds/subgrounds/issues/19)) ([`211f965`](https://github.com/0xPlaygrounds/subgrounds/commit/211f965331225fb7287cff027c5dd01e8a4e5784))

Fix
* Nested orderBy working with DSL ([`7e320e8`](https://github.com/0xPlaygrounds/subgrounds/commit/7e320e8c77c12ad3fcfa64f3aad4428ad1068539))

Fix
* Nested OrderBy ([17](https://github.com/0xPlaygrounds/subgrounds/issues/17)) ([`b807319`](https://github.com/0xPlaygrounds/subgrounds/commit/b8073193ddeee2cde2d795382ef8523d87a7ca71))

Documentation
* Fix broken links ([`24bd498`](https://github.com/0xPlaygrounds/subgrounds/commit/24bd4987b98960d97d711a05fa12dc2c91e903db))
* LICENSE update ([`c4c4b3b`](https://github.com/0xPlaygrounds/subgrounds/commit/c4c4b3b16b1bcaa96a4d236534092d760ff5b7de))
* Adjust twitter badge ([`95218d1`](https://github.com/0xPlaygrounds/subgrounds/commit/95218d1c5947bfe54665db1c8e1a4e138865d5f4))
* Fix codespace badge link ([`cd5841d`](https://github.com/0xPlaygrounds/subgrounds/commit/cd5841d3da9cda45ea74fb1c9e68ae80b63168d3))
* Cleanup and improve README.md ([`5e524bd`](https://github.com/0xPlaygrounds/subgrounds/commit/5e524bdc5d5bed52cd596ea7f569ce5e9d1e193e))