chore: improve workflows

[lcweden]

This pull request introduces significant improvements to the project's GitHub Actions workflows and enhances the README.md documentation for clarity and usability. The workflow updates provide a more robust CI/CD pipeline, including version bumping, continuous integration, and improved deployment and publishing steps. The documentation changes add a comprehensive features list, clarify installation and usage steps, and expand on advanced usage scenarios.

Workflow Automation Improvements:

• Added a new bump.yaml workflow to automate version bumping, branch creation, and pull request generation for releases. (.github/workflows/bump.yaml)
• Introduced a ci.yaml workflow for continuous integration, running tests on pull requests and workflow dispatch. (.github/workflows/ci.yaml)
• Improved deployment and publishing workflows with clearer job names, updated action versions, and more descriptive build steps. (.github/workflows/deploy.yaml, .github/workflows/publish.yaml) [1] [2] [3] [4] [5] [6]

Documentation Enhancements:

• Added a "Features" section, clarified installation and CDN usage, and provided detailed instructions for loading the AudioWorkletProcessor. (README.md) [1] [2] [3]
• Expanded usage examples for both offline file analysis and live analysis, including error handling and best practices for managing audio contexts. (README.md) [1] [2]
• Documented support for multiple concurrent audio inputs and clarified the push/pull data retrieval strategies. (README.md) [1] [2]
• Improved interface documentation, added type annotations, and clarified the meaning of loudness metrics and special cases (e.g., -Infinity values). (README.md)
• Refined standards compliance and acknowledgments sections for better readability. (README.md) [1] [2] [3]

Minor UI Improvement:

• Improved readability of the file input element in the Svelte app by formatting the input attributes over multiple lines. (packages/app/src/routes/+page.svelte)