Updated README.md with test/dev notice
Updated README.md with test/dev notice
awslabs/aws-config-rules,ravvav/aws-config-rules,aaronkhoo/aws-config-rules,awslabs/aws-config-rules,ravvav/aws-config-rules,ravvav/aws-config-rules,aaronkhoo/aws-config-rules,awslabs/aws-config-rules,aaronkhoo/aws-config-rules