Various fixes for PyPY, README, and CONTRIBUTING

CONTRIBUTING.md

@@ -18,7 +18,8 @@ All of the above checks are run in the CI.
 
 ## Documentation
 
-To build and serve the documentation locally, run
+By default, `$ poetry install` will not install the necessary documentation dependenices. If you wish to build and 
+serve the documentation locally, first run `$ poetry install --with docs` to and then
 
 ```shell
 $ sphinx-autobuild docs/source docs/build

README.md

@@ -1,7 +1,11 @@
 <h1 align="center">MFGLib: A Library for Mean-Field Games</h1>
 
 <p align="center">
+    <a href='https://mfglib.readthedocs.io/en/latest/?badge=latest'>
+        <img src='https://readthedocs.org/projects/mfglib/badge/?version=latest' alt='Documentation Status' />
+    </a>
     <a href="http://mypy-lang.org/"><img alt="Checked with mypy" src="http://www.mypy-lang.org/static/mypy_badge.svg"></a>
+    <a href="https://github.com/charliermarsh/ruff"><img src="https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/charliermarsh/ruff/main/assets/badge/v1.json&label=linting" alt="Ruff" style="max-width:100%;"></a>
     <a href="https://github.com/psf/black"><img alt="Code style: black" src="https://img.shields.io/badge/code%20style-black-000000.svg"></a>
     <a href="https://pycqa.github.io/isort/"><img alt="Imports: isort" src="https://img.shields.io/badge/%20imports-isort-%231674b1?style=flat&labelColor=ef8336"></a>
     <a href="https://opensource.org/licenses/MIT"><img alt="License: MIT" src="https://img.shields.io/badge/License-MIT-purple.svg"></a>
@@ -13,6 +17,14 @@ for the community to easily prototype and implement new algorithms and environme
 
 The official documentation for MFGLib is available at https://mfglib.readthedocs.io/en/latest/.
 
+## Installation
+
+MFGLib supports all major platforms and can be installed with `pip`:
+
+```
+$ pip install mfglib
+```
+
 ## Citing
 If you wish to cite `MFGLib`, please use the following:
 ```

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "mfglib"
-version = "0.1.0"
+version = "0.1.1"
 description = "A Library for Mean-Field Games"
 authors = [
     "Xin Guo <xinguo@berkeley.edu>",
@@ -10,6 +10,8 @@ authors = [
     "Junzi Zhang <saslascroyale@gmail.com>",
 ]
 readme = "README.md"
+license = "MIT"
+documentation = "https://mfglib.readthedocs.io/en/latest/"
 
 [tool.poetry.dependencies]
 python = "^3.8"