Build project with pip (#9)

* Add build system requirements

* Add instructions for building with pip

* Make interline spacing between enumerated items the same

* More test edits

Author: mdpiper

README.rst

@@ -5,16 +5,43 @@ pymt_heatf
 This is an example of building a model,
 written in Fortran and wrapped in Python with the `babelizer <https://github.com/csdms/babelizer>`_,
 with the `meson-python <https://meson-python.readthedocs.io/en/latest/>`_ build system
-using a ``pyproject.toml`` file to describe the build.
+using only a *pyproject.toml* file for project metadata.
 
 Build/Install
 -------------
 
-This is a sketch of how to build and install this project.
+This is a sketch of how to build and install this project with either ``conda`` or ``pip``.
 
-1. Create the conda environment from `environment.yml` and activate it
+With conda
+..........
+
+1. Create a conda environment from the included *environment.yml* file and activate it
 2. Build/install the `Fortran BMI example <https://github.com/csdms/bmi-example-fortran/#buildinstall>`_
-3. Build/install this project with ``make install``
+3. Build/install the project with:
+
+   .. code-block:: bash
+
+    $ make install
+
+With pip
+........
+
+Make, CMake, and a Fortran compiler are required.
+
+1. Create a virtual environment
+2. Install the build system requirements through ``pip``:
+
+   .. code-block:: bash
+
+    $ pip install meson-python meson ninja cython numpy bmipy
+
+3. Build/install the `Fortran BMI specification <https://github.com/csdms/bmi-fortran/#buildinstall>`_ (it's not installable through ``pip``)
+4. Build/install the `Fortran BMI example <https://github.com/csdms/bmi-example-fortran/#buildinstall>`_
+5. Build/install the project with:
+
+   .. code-block:: bash
+
+    $ make install
 
 Use
 ---
@@ -31,4 +58,4 @@ Import the *pymt* component:
 
     >>> from pymt.MODELS import HeatModelF
 
-Try the examples in the `examples` directory.
+Try the examples in the *examples* directory.

pyproject.toml

@@ -40,6 +40,13 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
+  "meson",
+  "meson-python",
+  "ninja",
+  "cython",
+  "make",
+]
+lint = [
   "black",
   "ruff",
   "isort",