Update README.md (#265)

* Refactor the README.md

* Add installation section to intro.md

README.md

@@ -8,7 +8,7 @@
 [![CI Tox](https://github.com/theochem/Selector/actions/workflows/ci_tox.yaml/badge.svg?branch=main)](https://github.com/theochem/Selector/actions/workflows/ci_tox.yaml)
 [![codecov](https://codecov.io/gh/theochem/Selector/graph/badge.svg?token=0UJixrJfNJ)](https://codecov.io/gh/theochem/Selector)
 
-The `selector` library provides methods for selecting a diverse subset of a (molecular) dataset.
+The `Selector` library provides methods for selecting a diverse subset of a (molecular) dataset.
 
 ## Citation
 
@@ -25,30 +25,50 @@ Please use the following citation in any publication using the `selector` librar
 It is recommended to install `selector` within a virtual environment. To create a virtual
 environment, we can use the `venv` module (Python 3.3+,
 https://docs.python.org/3/tutorial/venv.html), `miniconda` (https://conda.io/projects/conda/en/latest/user-guide/tasks/manage-environments.html), or
-`pipenv` (https://pipenv.pypa.io/en/latest/). We use `miniconda` in the following example to create a virtual environment:
+`pipenv` (https://pipenv.pypa.io/en/latest/).
 
-```bash
-    # Create and activate qcdevs conda environment (optional, but recommended)
-    conda create -n qcdevs python=3.11
-    conda activate qcdevs
-
-```
+### Installing from PyPI
 
 To install `selector` with `pip`, we can install the latest stable release from the Python Package Index (PyPI) as follows:
 
 ```bash
-    # Install the stable release.
+    # install the stable release.
     pip install qc-selector
 ```
 
+### Installing from The Prebuild Wheel Files
+
 To download the prebuilt wheel files, visit the [PyPI page](https://pypi.org/project/qc-selector/)
 and [GitHub releases](https://github.com/theochem/Selector/tags).
 
+```bash
+    # download the wheel file first to your local machine
+    # then install the wheel file
+    pip install file_path/qc_selector-0.0.2b12-py3-none-any.whl
+```
+
+### Installing from the Source Code
+
 In addition, we can install the latest development version from the GitHub repository as follows:
 
 ```bash
     # install the latest development version
     pip install git+https://github.com/theochem/Selector.git
+```
+
+We can also clone the repository to access the latest development version, test it and install it as follows:
+
+```bash
+    # clone the repository
+    git clone [email protected]:theochem/Selector.git
+
+    # change into the working directory
+    cd Selector
+    # run the tests
+    python -m pytest .
+
+    # install the package
+    pip install .
 
 ```
 

book/content/intro.md

@@ -19,4 +19,56 @@ distance between and similarity of samples, as well as tools based on spatial pa
 addition, it includes seven diversity measures for quantifying the diversity of a given set. We also
 implemented various mathematical formulations to convert similarities into dissimilarities.
 
-<!-- #endregion -->
+
+## Installation
+
+It is recommended to install `selector` within a virtual environment. To create a virtual
+environment, we can use the `venv` module (Python 3.3+,
+https://docs.python.org/3/tutorial/venv.html), `miniconda` (https://conda.io/projects/conda/en/latest/user-guide/tasks/manage-environments.html), or
+`pipenv` (https://pipenv.pypa.io/en/latest/).
+
+### Installing from PyPI
+
+To install `selector` with `pip`, we can install the latest stable release from the Python Package Index (PyPI) as follows:
+
+```bash
+    # install the stable release.
+    pip install qc-selector
+```
+
+### Installing from The Prebuild Wheel Files
+
+To download the prebuilt wheel files, visit the [PyPI page](https://pypi.org/project/qc-selector/)
+and [GitHub releases](https://github.com/theochem/Selector/tags).
+
+```bash
+    # download the wheel file first to your local machine
+    # then install the wheel file
+    pip install file_path/qc_selector-0.0.2b12-py3-none-any.whl
+```
+
+### Installing from the Source Code
+
+In addition, we can install the latest development version from the GitHub repository as follows:
+
+```bash
+    # install the latest development version
+    pip install git+https://github.com/theochem/Selector.git
+```
+
+We can also clone the repository to access the latest development version, test it and install it as follows:
+
+```bash
+    # clone the repository
+    git clone [email protected]:theochem/Selector.git
+
+    # change into the working directory
+    cd Selector
+    # run the tests
+    python -m pytest .
+
+    # install the package
+    pip install .
+
+```
+