Add linting config

I misread the manual and you can't have an additional comment after the
fmt: off so move it to a new line.

Author: php1ic

nuclearmasses/element_converter.py

@@ -9,7 +9,8 @@ class ElementConverter:
 
     def __init__(self):
         """Construct the symbol -> Z and Z -> symbol dictionaries."""
-        # fmt: off  # Fromatter wants to put each item on it's own line, I don't
+        # fmt: off
+        # Fromatter wants to put each item on it's own line, I don't
         self.z_to_symbol: dict[int, str] = {
             0: "n", 1: "H", 2: "He", 3: "Li", 4: "Be", 5: "B", 6: "C", 7: "N", 8: "O", 9: "F",
             10: "Ne", 11: "Na", 12: "Mg", 13: "Al", 14: "Si", 15: "P", 16: "S", 17: "Cl", 18: "Ar", 19: "K",
@@ -21,7 +22,7 @@ def __init__(self):
             70: "Yb", 71: "Lu", 72: "Hf", 73: "Ta", 74: "W", 75: "Re", 76: "Os", 77: "Ir", 78: "Pt", 79: "Au",
             80: "Hg", 81: "Tl", 82: "Pb", 83: "Bi", 84: "Po", 85: "At", 86: "Rn", 87: "Fr", 88: "Ra", 89: "Ac",
             90: "Th", 91: "Pa", 92: "U", 93: "Np", 94: "Pu", 95: "Am", 96: "Cm", 97: "Bk", 98: "Cf", 99: "Es",
-            100: "Fm", 101: "Md", 102: "No", 103: "Lr", 104: "Rf", 105: "Db", 106: "Sg", 107: "Bh", 108: "Hs", 109: "Mt",
+            100: "Fm", 101: "Md", 102: "No", 103: "Lr", 104: "Rf", 105: "Db", 106: "Sg", 107: "Bh", 108: "Hs", 109: "Mt", # noqa: E501
             110: "Ds", 111: "Rg", 112: "Cn", 113: "Ed", 114: "Fl", 115: "Ef", 116: "Lv", 117: "Ts", 118: "Og"
         }
         # fmt: on

nuclearmasses/mass_table.py

@@ -1,5 +1,4 @@
 import importlib.resources
-import logging
 import pathlib
 
 import pandas as pd

pyproject.toml

@@ -82,4 +82,19 @@ line-length = 120
 # Nothing different from defaults
 
 [tool.ruff.lint.isort]
+known-first-party = ["nuclearmasses"]
 force-sort-within-sections = true
+
+[tool.ruff.lint]
+extend-select = [
+  "B",  # flake8-bugbear
+  "C4", # flake8-comprehensions
+  "E",  # pycodestyle errors
+  "F",  # pyflakes
+  "W",  # pycodestyle warnings
+  "I",  # isort
+  "UP", # pyupgrade
+]
+
+[tool.ruff.lint.per-file-ignores]
+"tests/*" = ["E501"]