Disable docstrings and unit tests in .coderabbit.yaml

Disable docstring generation and unit tests in CodeRabbit configuration.

Author: softhack007

.coderabbit.yaml

@@ -107,4 +107,7 @@ reviews:
     docstrings:
       # Docstrings | Allow CodeRabbit to generate docstrings for PRs/MRs.
       # default: true - disabled in WLED: has caused confusion in the past
-      enabled: false
+      enabled: false
+    unit_tests:
+      # default: true - disabled in WLED: we don't have a unit test framework, this option just confuses contributors
+      enabled: false