fix:update npm packages

[ad1tyayadav]

Fixes #52

Before

After

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Changes Made

1. Security: Dependency Updates

Phase 1 - Critical Runtime Dependencies

• axios: 0.21.1 → 1.7.9 (fixes critical CVEs)
• firebase: 8.6.3 → 8.10.1 (security patches)

Phase 2 - Development Dependencies

• Vue CLI: 4.5.0 → 5.0.0 (webpack 5, modern build toolchain)
• ESLint: 6.7.2 → 7.32.0
• @babel/eslint-parser: 7.16.0 (replaced deprecated babel-eslint)
• Updated all Vue CLI plugins, sass-loader, and build tools

ESLint Configuration

• Updated parser to @babel/eslint-parser
• Disabled vue/multi-word-component-names for backward compatibility
• Disabled vue/no-mutating-props for backward compatibility

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Breaking Changes

None - all changes are backward compatible with existing application code.