feat: Use chatwoot for feedback

[mesudip]

List of changes

• Remove user related code
• Modify feedback button to open ChatWoot widget

Checklist

• My changes generate no new warnings
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the changelog
• I have added tests that prove my fix is effective or that my feature works

[kusssal]

Looks Good