Backport PR #610: fix to conda install instructions in readme (#612)

* Base chat handler refactor for custom slash commands (#398)

* Adds attributes, starts adding to subclasses

* Consistent syntax

* Help for all handlers

* Fix slash ID error

* Iterate through entry points

* Fix typo in call to select()

* Moves config to magics, modifies extensions to attempt to load classes

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Moves config to proper location, improves error logging

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* WIP: Updates per feedback, adds custom handler

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* Removes redundant code, style fixes

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Removes unnecessary custom message

* Instantiates class

* Validates slash ID

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Consistent arguments to chat handlers

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* Refactors to avoid intentionally unused params

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* Updates docs, removes custom handler from source and config

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* Renames process_message to match base class

* Adds needed parameter that had been deleted

* Joins lines in contributor doc

* Removes natural language routing type, which is not yet used

* Update docs/source/developers/index.md

Co-authored-by: Piyush Jain <[email protected]>

* Update docs/source/developers/index.md

Co-authored-by: Piyush Jain <[email protected]>

* Update docs/source/developers/index.md

Co-authored-by: Piyush Jain <[email protected]>

* Revises per @3coins, avoids Latinism

* Removes Configurable, since we do not yet have configurable traits

* Uses Literal for validation

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---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Piyush Jain <[email protected]>
(cherry picked from commit 64e6daf)

* Removes redundant pydantic import

* fix to conda install instructions in readme (#610)

(cherry picked from commit fb77735)

---------

Co-authored-by: Tom Lynch <[email protected]>

README.md

@@ -62,6 +62,14 @@ If you are not using JupyterLab and you only want to install the Jupyter AI `%%a
 
     $ pip install jupyter_ai_magics
 
+### With conda
+
+As an alternative to using `pip`, you can install `jupyter-ai` using
+[Conda](https://conda.io/projects/conda/en/latest/user-guide/install/index.html)
+from the `conda-forge` channel:
+
+    $ conda install conda-forge::jupyter-ai
+
 ## The `%%ai` magic command
 
 The `%%ai` magic works anywhere the IPython kernel runs, including JupyterLab, Jupyter Notebook, Google Colab, and Visual Studio Code.