add conda docs (#9)

README.md

@@ -7,14 +7,23 @@ in genomic sequencing data.
 
 ## Installation
 
-You can try building it yourself:
+oxli is
+[available on conda-forge for Linux, Mac OS X, and Windows](https://github.com/conda-forge/oxli-feedstock) for Python versions 3.10, 3.11, and 3.12:
+
 ```
-mamba env create -f environment.yml -n oxli
-make wheel
+conda install oxli
 ```
-and then install the resulting wheel.
 
-We are working on packaging via conda-forge.
+This will install the oxli library. Right now there is only
+[a library interface](doc/api.md).
+
+### For developers
+
+You can also try building it yourself and using it in development mode:
+```
+mamba env create -f environment.yml -n oxli
+pip install -e .
+```
 
 ## Documentation