update gitignore and add makefile from sched2

Author: medecau

.gitignore

@@ -1,4 +1,12 @@
+$ hidden files
 .*
-poetry.lock
-__pycache__
+# lock files
+*.lock
+
+# Python-generated files
+__pycache__/
+*.py[oc]
+build/
 dist/
+wheels/
+*.egg-info

Makefile

@@ -0,0 +1,22 @@
+.PHONY: help
+help:			## Show this help.
+	@grep '^[^#[:space:]\.].*:' Makefile
+
+.PHONY: lint
+fix:			## Run linters.
+	ruff check --fix .
+	ruff format .
+
+.PHONY: check
+check:			## Run linters in check mode.
+	ruff check .
+	ruff format --check .
+
+.PHONY: test
+test: check		## Run tests.
+	uv run pytest
+
+.PHONY: publish
+publish: test check	## Publish to PyPI.
+	uv build
+	uv publish