describe rest of error codes

Co-authored-by: Dominique <[email protected]>

setup.cfg

@@ -16,10 +16,19 @@ max-line-length = 88
 # See these resources for descriptions of the error codes:
 # E***, F***, W*** : https://flake8.pycqa.org/en/latest/user/error-codes.html
 # D***: http://www.pydocstyle.org/en/stable/error_codes.html
-ignore = W503, E121, E126, E211, E225, E501, E203, E402, F401, F811,
+ignore = W503,  # line break before binary operator
+    E121,  # continuation line under-indented for hanging indent
+    E126,  # continuation line over-indented for hanging indent
+    E203,  # whitespace before ‘:’
+    E211,  # whitespace before ‘(‘
+    E225,  # missing whitespace around operator
+    E402,  # module level import not at top of file
+    E501,  # line too long (102 > 88 characters)
+    F401,  # module imported but unused
+    F811,  # redefinition of unused name from line N
     D100,  # ignore missing docstrings in public module
     D104,  # ignore missing docstrings in public package
-    D105,   # ignore missing docstrings in magic methods
+    D105,  # ignore missing docstrings in magic methods
 docstring-convention = google
 
 [mypy]