Refactor README to current state, remove historical context

[Copilot]

README contained historical references, version-specific details, and future plans that diluted focus on current capabilities.

Changes

• Introduction: Reduced from 3 paragraphs to single line stating what unum is

  • Before: "A modern Svelte binding library... PluresDB is published to npm... inspired by and compatible with Gun.js. Version 1.3.0 includes..."
  • After: "Svelte bindings for PluresDB - a graph-based database with real-time synchronization."

• Features: Removed version-specific mentions and implementation details

  • Dropped: PluresDB v1.3.0 compatibility, N-API bindings, "proper types", "Modern"
  • Retained: Current capabilities (Svelte 4/5 support, TypeScript, actions, stores, collections)

• Content preserved: All usage examples, API reference, and installation instructions unchanged

Original prompt

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This section details on the original issue you should resolve

<issue_title>Refactor readme.md</issue_title>
<issue_description>Given the amazing progress we've made it's essential that we completely refactor readme.md to align with the true and current state of this project. Use the current voice/context; ditch historic or future plans; those things are for roadmaps and changelogs. </issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Refactor readme.md #9

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