test: initial pylint support

disabling all meaningful checks, will tackle each next...

.pylintrc

@@ -0,0 +1,37 @@
+# -*- mode: conf; -*-
+
+[MESSAGES CONTROL]
+disable=fixme,
+        duplicate-code,
+        abstract-method,
+        arguments-differ,
+        arguments-renamed,
+        attribute-defined-outside-init,
+        broad-exception-caught,
+        consider-using-dict-comprehension,
+        consider-using-f-string,
+        consider-using-set-comprehension,
+        empty-docstring,
+        implicit-str-concat,
+        inconsistent-return-statements,
+        invalid-name,
+        missing-class-docstring,
+        missing-function-docstring,
+        no-else-return,
+        no-member,
+        no-self-argument,
+        redefined-outer-name,
+        singleton-comparison,
+        too-few-public-methods,
+        too-many-arguments,
+        too-many-branches,
+        too-many-lines,
+        too-many-locals,
+        too-many-positional-arguments,
+        too-many-public-methods,
+        unnecessary-lambda-assignment,
+        unused-argument,
+        unused-import,
+        unused-variable,
+        unused-wildcard-import,
+        wildcard-import,