chore: cleanup and update toml, create editorconfig

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

.editorconfig

@@ -0,0 +1,11 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+
+[*.py]
+max_line_length = 88