feat(v1.6.0 ): v1.6.0 raw CSS style injection and custom renderBadge callback

[dewasemadi]

📝 Type of Change

Select the type of change that best describes this PR:

• 🚀 Feature (non-breaking change which adds new functionality)
• 🐛 Bug Fix (non-breaking change which fixes an issue)
• ⚡ Optimization / Refactoring (code structure or performance improvement)
• 📖 Documentation (README, CHANGELOG, inline JSDoc updates)
• 📦 Release (version bump and release preparation)
• ⚙️ CI/CD & Tooling (GitHub Actions, build config, scripts)

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📌 Description & Motivation

This release introduces v1.6.0 for mobile-devtools, featuring Raw CSS String Injection into Shadow DOM and a Pluggable renderBadge Callback API while retaining 100% of the drag-and-drop gesture handling and viewport snapping capabilities.

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✨ Key Changes & Highlights

• Feature/fix item 1
• Feature/fix item 2
• Feature/fix item 3

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📸 Screenshots / Demos (If Applicable)

Feature	Preview
Feature 1
Feature 2

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🧪 Quality & Verification Checklist

Before submitting this PR, please check and verify the following:

• My code follows the project's code style and guidelines.
• I have executed pnpm check-types and verified 0 TypeScript errors.
• I have executed pnpm test and all unit tests pass 100%.
• I have executed pnpm --filter mobile-devtools build and the package builds cleanly.
• I have executed pnpm --filter web lint and verified 0 ESLint warnings/errors.
• I have updated relevant documentation (README.md, CHANGELOG.md, and inline TSDoc comments) if applicable.