updated installation instructions

closes #70

README.md

@@ -154,21 +154,21 @@ You can also export your workflow as Python/Jython code or as notebook. See the
 
 ## Installation
 
-It is recommended to install the assistant using conda. If you have never used conda before, it is recommended to read 
-[this blog post](https://biapol.github.io/blog/johannes_mueller/anaconda_getting_started/) first. 
+It is recommended to install the assistant using mamba. If you have never used mamba before, it is recommended to read 
+[this blog post](https://biapol.github.io/blog/mara_lampert/getting_started_with_mambaforge_and_python/readme.html) first. 
 
 ```shell
-conda create --name cle_39 python=3.9 napari-pyclesperanto-assistant
-conda activate cle_39
+mamba create --name cle_39 python=3.9 napari-pyclesperanto-assistant -c conda-forge
+mamba activate cle_39
 ```
 
 Mac-users please also install this:
 
-    conda install -c conda-forge ocl_icd_wrapper_apple
+    mamba install -c conda-forge ocl_icd_wrapper_apple
 
 Linux users please also install this:
 
-    conda install -c conda-forge ocl-icd-system
+    mamba install -c conda-forge ocl-icd-system
 
 You can then start the napari-assistant using this command: