fix: Update scripts for windows comapatibiltiy

[Nikhilkumarr-dev]

Title: "fix: Update scripts for Windows compatibility"

Description :

Description

Fixed test scripts to run properly on Windows systems. The changes include:
--Added cross-env for the cross-platform environment variables
--Fixed ESlint path issues for Windows
--Updated test scripts JSON formatting for Windows compatibility

Problem

The test scripts were failing on Windows due to:
--Unix-style environment variable setting
--Path formatting issues with ESLint
--JSON parsing errors in test scripts

Solution

• Added cross-env package for cross-platform compatibility
• Updated ESLint path format
• Fixed JSON string escaping in test scripts

Testing

• All 180 tests passing on Windows system
• Verified lint and test commands work correctly
• Maintained compatibility with Unix systems

Related Issue

Related to #394

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