Instructions to install from pip and github (#451)

* instructions to install from pip and github

* improve guidance for difference installation types

Author: talonchandler

README.md

@@ -201,17 +201,17 @@ conda create -y -n waveorder python=3.12
 conda activate waveorder
 ```
 
-Install `waveorder` from PyPI:
+(Option 1) If you are familiar with `waveorder`'s API and want to use it as a library, install a stable version of `waveorder` from PyPI:
 
 ```sh
 pip install waveorder
 ```
 
-(Optional) Install all visualization dependencies (napari, jupyter), clone the repository, and run an example script:
+(Option 2) If you are new to `waveorder` and want to run demos to become familiar with its features, install the latest version of `waveorder` from GitHub with all visualization dependencies (napari, jupyter), clone the repository, and run an example script:
 ```sh
-pip install "waveorder[all]"
+pip install "git+https://github.com/mehta-lab/waveorder.git@main#egg=waveorder[all]"
 git clone https://github.com/mehta-lab/waveorder.git
-python waveorder/examples/models/phase_thick_3d.py
+python waveorder/docs/examples/models/phase_thick_3d.py
 ```
 
 (M1 users) `pytorch` has [incomplete GPU support](https://github.com/pytorch/pytorch/issues/77764),