update the python toolchain to support both Rye and Poetry

Author: steinwaywhw

_internal/_template/python/.gitignore

@@ -0,0 +1,10 @@
+# python generated files
+__pycache__/
+*.py[oc]
+build/
+dist/
+wheels/
+*.egg-info
+
+# venv
+.venv

_internal/_template/python/README.md

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+# Substrate Example Templates in Python
+
+This is a Substrate example template written in Python. To run this example,
+
+```bash
+# Set your API key as an environment variable.
+# Get one here https://www.substrate.run/dashboard/keys if this is your first time.
+export SUBSTRATE_API_KEY=<your Substrate API key>
+
+# Navigate to the python example directory.
+cd python
+```
+
+To run the example with Poetry, uncomment the Poetry sections in `pyproject.toml` and run the following.
+
+```bash
+poetry install
+poetry run main
+```
+
+To run the example with Rye, uncomment the Rye sections in `pyproject.toml` and run the following.
+
+```bash
+rye sync
+rye run main
+```

_internal/_template/python/poetry.toml

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+[virtualenvs]
+in-project = true

_internal/_template/python/pyproject.toml

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+[project]
+name = "template"
+version = "0.1.0"
+description = ""
+authors = [{ name = "Hanwen Wu", email = "[email protected]" }]
+readme = "README.md"
+
+requires-python = ">= 3.9"
+dependencies = ["substrate"]
+
+[project.scripts]
+main = "python.example:main"
+
+[tool.ruff]
+line-length = 120
+output-format = "grouped"
+target-version = "py310"
+
+[tool.pyright]
+venvPath = "."
+venv = ".venv"
+
+##############################
+# Uncomment for Poetry support
+##############################
+
+# [build-system]
+# requires = ["poetry-core"]
+# build-backend = "poetry.core.masonry.api"
+
+# [tool.poetry]
+# name = "template"
+# version = "0.1.0"
+# description = ""
+# authors = ["Hanwen Wu <[email protected]>"]
+# readme = "README.md"
+
+# packages = [{ include = "python", from = "src" }]
+
+# [tool.poetry.dependencies]
+# python = "^3.9"
+# substrate = "220240617.*"
+
+# [tool.poetry.group.dev.dependencies]
+# ruff = "^0.6.1"
+# marimo = "^0.8.0"
+
+# [tool.poetry.scripts]
+# main = "python.example:main"
+
+
+###########################
+# Uncomment for Rye support
+###########################
+
+# [build-system]
+# requires = ["hatchling"]
+# build-backend = "hatchling.build"
+
+# [tool.rye]
+# managed = true
+# dev-dependencies = ["ruff>=0.6.1", "marimo>=0.8.0"]
+
+# [tool.hatch.metadata]
+# allow-direct-references = true
+
+# [tool.hatch.build.targets.wheel]
+# packages = ["src/python"]