Add pyproject.toml for the Day 25 weather repository

Task: MIL-001#1

pyproject.toml

@@ -0,0 +1,61 @@
+[build-system]
+requires = ["setuptools>=77"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "weather"
+version = "0.1.0"
+description = "Reading CSV weather data with the csv library and pandas, from Udemy's 100 Days of Code (day 25): DataFrame and Series, average, maximum, row selection, create and export."
+readme = "README.md"
+requires-python = ">=3.13"
+license = "AGPL-3.0-only"
+license-files = ["LICENSE"]
+authors = [{ name = "Jens Tirsvad Nielsen" }]
+keywords = ["csv", "pandas", "weather", "udemy", "100-days-of-code", "dataframe"]
+classifiers = [
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.13",
+    "Topic :: Education",
+]
+# The csv part runs on the standard library only; pandas is an optional extra.
+dependencies = []
+
+[project.optional-dependencies]
+pandas = [
+    "pandas>=2.2",
+]
+dev = [
+    "pandas>=2.2",
+    "pandas-stubs>=2.2",
+    "pytest>=8",
+    "ruff>=0.6",
+    "mypy>=1.11",
+]
+
+[project.urls]
+Repository = "https://git.tirsystem.com/Tirsvad-Udemy-100-days-of-code/025-weather"
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.setuptools.package-data]
+weather = ["weather_data.csv"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+pythonpath = ["src", "tests"]
+
+[tool.ruff]
+line-length = 88
+target-version = "py313"
+src = ["src", "tests"]
+extend-exclude = ["framework", "build"]
+
+[tool.ruff.lint]
+select = ["E", "F", "W", "I", "N", "UP", "B", "SIM"]
+
+[tool.mypy]
+python_version = "3.13"
+strict = true
+files = ["src", "tests"]
+mypy_path = ["src", "tests"]