v1.6.0

Feature

• Add helpers for accessing the playgrounds gateway (#21) (e44aee6)

Documentation

• Add open in colab button (02ff722)
• Add gateway notebook as another example (98eab32)
• Adjust example notebook for colab (6210556)
• Adjust wording in example notebook (357c6d8)
• Add example notebook + swap binder for colab (06cc728)
• Add CI status badge to README.md (4c6dca9)
• Broken link in README (#19) (211f965)