Merge pull request #528 from codacy/update-readme

Update README.md

Author: alerizzo

README.md

@@ -1,3 +1,8 @@
+> ⚠️ **Legacy Component Warning**  
+> This component is part of our **classic/legacy** implementation is no longer actively maintained for local analysis; please use the [new Codacy CLI v2 instead](https://github.com/codacy/codacy-cli-v2/).
+> For uploading results to Codacy, use this CLI.
+
+
 # Codacy Analysis CLI
 
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/2aa6927599ba4d9db6c9cfcb38e397e4)](https://www.codacy.com/gh/codacy/codacy-analysis-cli?utm_source=github.com&utm_medium=referral&utm_content=codacy/codacy-analysis-cli&utm_campaign=Badge_Grade)