Incorporated the suggested changes in README.md

[thakurboy004]

Description of Changes Made to README:

This update enhances the README by refactoring important security-related information into a dedicated SECURITY.md file. The key adjustments include:

1. Get In Touch: Structured the Get In Touch section for a better understanding and also added more information.
2. Improved Clarity: Each section now includes clear guidelines and links for reporting vulnerabilities, sharing feature ideas, and providing feedback, ensuring contributors have direct access to essential resources.

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This reorganization aligns with documentation best practices and ensures that contributors can quickly locate security-related information. Let me know if this fits or if you'd like further details added.