Add zulip links to the readme and index. (#39)

* Add zulip links to the readme and index.

* Remove github discussions reference from text, change wording slightly.

README.md

@@ -8,6 +8,6 @@ The [NeuroBlueprint specification](specification.md) provides a set of rules and
 
 `NeuroBlueprint` is being developed at the [Sainsbury Wellcome Centre (SWC) for Neural Circuits and Behaviour](https://www.sainsburywellcome.org/) by members of the [Neuroinformatics Unit (NIU)](https://neuroinformatics.dev/). As such, it prioritizes interoperability with NIU-developed data analysis tools.
 
-That said, the specification is designed to be as general as possible, and should be useful to anyone within the neuroscience field. We (the NIU) welcome [feedback](https://github.com/neuroinformatics-unit/NeuroBlueprint/discussions) and contributions from the wider community and commit to maintaining the specification as a living and evolving document. We will also collaborate with [ongoing efforts](https://github.com/INCF/neuroscience-data-structure) by the [INCF](https://www.incf.org/) and [BIDS community](https://bids.neuroimaging.io/) to extend the BIDS specification to non-human animal research.
+That said, the specification is designed to be as general as possible, and should be useful to anyone within the neuroscience field. We (the NIU) welcome feedback and contributions from the wider community and commit to maintaining the specification as a living and evolving document. Check out the NeuroBlueprint [Zulip chat](https://neuroinformatics.zulipchat.com/#narrow/stream/406000-SWC-Blueprint) or raise a [GitHub Issue](https://github.com/neuroinformatics-unit/NeuroBlueprint/issues) to get in touch. We will also collaborate with [ongoing efforts](https://github.com/INCF/neuroscience-data-structure) by the [INCF](https://www.incf.org/) and [BIDS community](https://bids.neuroimaging.io/) to extend the BIDS specification to non-human animal research.
 
 This repository hosts the source code for the [NeuroBlueprint website](https://neuroblueprint.neuroinformatics.dev).

docs/source/index.md

@@ -9,7 +9,7 @@ The [NeuroBlueprint specification](specification.md) provides a set of rules and
 
 **NeuroBlueprint** is being developed at the [Sainsbury Wellcome Centre (SWC) for Neural Circuits and Behaviour](https://www.sainsburywellcome.org/) by members of the [Neuroinformatics Unit (NIU)](https://neuroinformatics.dev/). As such, it prioritizes interoperability with NIU-developed data analysis tools.
 
-That said, the specification is designed to be as general as possible, and should be useful to anyone within the neuroscience field. We (the NIU) welcome [feedback](https://github.com/neuroinformatics-unit/NeuroBlueprint/discussions) and contributions from the wider community and commit to maintaining the specification as a living and evolving document. We will also collaborate with [ongoing efforts](https://github.com/INCF/neuroscience-data-structure) by the [INCF](https://www.incf.org/) and [BIDS community](https://bids.neuroimaging.io/) to extend the BIDS specification to non-human animal research.
+That said, the specification is designed to be as general as possible, and should be useful to anyone within the neuroscience field. We (the NIU) welcome feedback and contributions from the wider community and commit to maintaining the specification as a living and evolving document. Check out the NeuroBlueprint [Zulip chat](https://neuroinformatics.zulipchat.com/#narrow/stream/406000-SWC-Blueprint) or raise a [GitHub Issue](https://github.com/neuroinformatics-unit/NeuroBlueprint/issues) to get in touch. To chat about the specification, you can join the [NeuroBlueprint Zulip chat](https://neuroinformatics.zulipchat.com/#narrow/stream/406000-SWC-Blueprint). We will also collaborate with [ongoing efforts](https://github.com/INCF/neuroscience-data-structure) by the [INCF](https://www.incf.org/) and [BIDS community](https://bids.neuroimaging.io/) to extend the BIDS specification to non-human animal research.
 
 ```{toctree}
 :maxdepth: 3