## Bug description `LogFormatter` isn’t exported from Logger module so I can’t extend the class like in the doc.  ### Expected Behavior I can import `LogFormatter` ### Current Behavior The class isn't exported ### Possible Solution 1. Import it from 2. Ensure that all our tests import classes from package root ### Steps to Reproduce 1. Add `import {LogFormatter} from "@aws-lambda-powertools/logger" 2. Yoru IDE will show syntax error. ### Environment * **Powertools version used**: 0.2.0-beta.15 * **Packaging format (Layers, npm)**: npm * **AWS Lambda function runtime:** N/A * **Debugging logs:** N/A ### Related issues, RFCs N/A