replace flake8 with ruff

add tool.ruff to pyproject

update lint dependencies

removes settings.json

ruff badge added to readme

bump to version 0.4.2.a1
Initial compressor slider implementation
for Issue #14

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "nvda_voicemeeter"
-version = "0.4.1"
+version = "0.4.2a1"
 description = "A Voicemeeter app compatible with NVDA"
 authors = [
     { name = "onyx-and-iris", email = "code@onyxandiris.online" },
@@ -22,7 +22,7 @@ build = [
 ]
 lint = [
     "black>=23.7.0",
-    "flake8>=6.1.0",
+    "ruff>=0.0.291",
 ]
 test = [
     "psgdemos>=1.12.1",
@@ -30,3 +30,57 @@ test = [
 
 [tool.pdm.scripts.build]
 shell = "build.ps1"
+
+[tool.black]
+line-length = 119
+
+[tool.ruff]
+# Enable pycodestyle (`E`) and Pyflakes (`F`) codes by default.
+select = ["E", "F"]
+# Avoid enforcing line-length violations (`E501`). Let Black deal with this.
+ignore = ["E501"]
+
+# Allow autofix for all enabled rules (when `--fix`) is provided.
+fixable = ["A", "B", "C", "D", "E", "F", "G", "I", "N", "Q", "S", "T", "W", "ANN", "ARG", "BLE", "COM", "DJ", "DTZ", "EM", "ERA", "EXE", "FBT", "ICN", "INP", "ISC", "NPY", "PD", "PGH", "PIE", "PL", "PT", "PTH", "PYI", "RET", "RSE", "RUF", "SIM", "SLF", "TCH", "TID", "TRY", "UP", "YTT"]
+unfixable = []
+
+# Exclude a variety of commonly ignored directories.
+exclude = [
+    ".bzr",
+    ".direnv",
+    ".eggs",
+    ".git",
+    ".git-rewrite",
+    ".hg",
+    ".mypy_cache",
+    ".nox",
+    ".pants.d",
+    ".pytype",
+    ".ruff_cache",
+    ".svn",
+    ".tox",
+    ".venv",
+    "__pypackages__",
+    "_build",
+    "buck-out",
+    "build",
+    "dist",
+    "node_modules",
+    "venv",
+]
+
+# Same as Black.
+line-length = 119
+
+# Allow unused variables when underscore-prefixed.
+dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
+
+# Assume Python 3.10
+target-version = "py310"
+
+[tool.ruff.mccabe]
+# Unlike Flake8, default to a complexity level of 10.
+max-complexity = 10
+
+[tool.ruff.per-file-ignores]
+"__init__.py" = ["E402", "F401"] # Ignore unused import and variable not accessed violations