MNT: Update Readme (#96)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

README.md

@@ -8,13 +8,15 @@
 
 1. Install MNE-python as instructed on
    the [website](https://www.martinos.org/mne/stable/install_mne_python.html)
-2. Then run `pip install https://github.com/marsipu/mne-pipeline-hd/zipball/main` in the conda-enviroment you created in step 1 for MNE-Python.
+2. To install `mne_pipeline_hd` in the conda-enviroment you created in step 1 you can either
+    - Install the stable version with `pip install mne_pipeline_hd`
+    - Install the development version with `pip install git+https://github.com/marsipu/mne_pipeline_hd.git@main`
 
 ## Update
 
-Run `pip install --upgrade --no-deps --force-reinstall https://github.com/marsipu/mne-pipeline-hd/zipball/main`
+Run `pip install --upgrade --no-deps --force-reinstall git+https://github.com/marsipu/mne_pipeline_hd.git@main`
 for an update to the development version
-or `pip install --upgrade mne-pipeline-hd` for the latest release.
+or `pip install --upgrade mne-pipeline-hd` for the latest stable release.
 
 ## Start