add poetry package env simple, incomplete; edit README

Author: O957

README.md

@@ -4,7 +4,15 @@
 
 _`pyrenew-flu-light` is an instantiation of an [Epidemia](https://imperialcollegelondon.github.io/epidemia/) influenza forecasting model in [PyRenew](https://github.com/CDCgov/PyRenew)._
 
-NOTE: Presently, this `pyrenew-flu-light` cannot be installed and used with current NHSN, as its author is validating it on historical influenza data, which is .
+NOTE: Presently, this `pyrenew-flu-light` cannot be installed and used with current NHSN, as its author is validating it on historical influenza data.
+
+Run command typically used:
+
+```
+poetry run python tut_epim_port_msr.py --reporting_date 2024-01-20 --regions NY --historical --forecast
+
+python3 tut_epim_port_msr.py --reporting_date 2024-01-20 --regions NY --historical --forecast
+```
 
 ## ...Contained Within This Repository
 

pyproject.toml

@@ -0,0 +1,22 @@
+[tool.poetry]
+name = "pyrenew-flu-light"
+version = "0.0.1"
+description = "An instantiation of an Epidemia influenza forecasting model in PyRenew."
+authors = ["CFA"]
+license = "Apache-2.0"
+readme = "README.md"
+packages = [{include = "pyrenew_flu_light"}]
+
+
+[tool.poetry.dependencies]
+python = "^3.11"
+polars = "^1.5.0"
+numpyro = "^0.15.2"
+arviz = "^0.19.0"
+
+[tool.poetry.group.dev.dependencies]
+rpy2 = "^3.5.16"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"