0.1.4

feat: rename application to PromptLab and update related references

- Changed the application name from "Repo Prompter" to "PromptLab" across all files, including .cursorrules, index.html, package.json, README.md, and Titlebar component.
- Updated the application description to reflect its new purpose as a desktop laboratory for crafting code-based prompts for LLMs.
- Adjusted installation instructions and repository links in README.md to align with the new application name.
- Enhanced branding consistency by updating icons and references throughout the codebase.

These changes improve the application's identity and clarify its functionality for users.