feat: added functionality to rosemary to detect secrets

[DelfinSR]

A new functionality has been added to rosemary to search for secrets.

$ rosemary detect_secrets --help
Usage: rosemary detect_secrets [OPTIONS] [SPECIFIED_PATH]

  Runs detect-secrets to check if there are any plaintext secret in the source
  code. By default it only checks tracked files.

Options:
  --all_files        Scans all files.
  --baseline         Use baseline file
  --add_to_baseline  Adds all detected secrets to baseline file to don't show
                     them as secrets.
  --help             Show this message and exit.

This new functionality can be used to create a pre-commit hook that avoids to commit secrets.

#!/bin/bash
rosemary detect_secrets --all_files --baseline > /dev/null

 if [ $? -eq 1 ]
 then
    echo "You can't commit yet. You may be leaking secrets...run 'rosemary detect_secrets --all_files --add_to_baseline' before continuing"
    exit 1
 fi

A tutorial on how to use this new functionality can be found at this link (you have to scroll a little bit till this line)