adding a config.yml instead of config.toml

tests/data/without_logging/panaetius_testing/config.yml

@@ -0,0 +1,9 @@
+panaetius_testing:
+  some_top_string: some_top_value
+  second:
+    some_second_string: some_second_value
+    some_second_int: 1
+    some_second_float: 1.0
+    some_second_list: ["some", "second", "value"]
+    some_second_table: { "first": ["some", "first", "value"] }
+    some_second_table_bools: { "bool": [true, false] }