Draft: Jira validation - draft pr

Summary by Bito

• 1-Added .bito.yaml configuration file for Bito AI code review settings with comprehensive review options
• 2-Configured Bito to enable dependency checking, linting feedback, and secret scanning during code reviews
• 3-Added jira.java file containing Python password validation logic with strength requirements (length, uppercase, lowercase, numbers, special chars)
• 4-Implemented signup function that validates passwords against security policy and provides user feedback
• 5-Included test cases demonstrating valid and invalid password scenarios
• 6-File naming mismatch: jira.java contains Python code instead of Java code