feat: Update project version to 1.0.3, add demo video, and enhance RE…

…ADME

- Updated version in package.json and package-lock.json to 1.0.3.
- Added a new demo video (generate-mcp.mp4) showcasing the MCP Server Generator.
- Enhanced README.md with a new section for video showcase and improved project descriptions.

Merge pull request #1 from LinuxDevil/MCP-001

Update readme and add License for fun