Add light-ocr as a standalone open-source OCR tool

[eric8810]

Following CONTRIBUTING_TO_OSB.md, this is a submission for a standalone open-source development tool.

Add open source tool: light-ocr

• Repository: https://github.com/arcships/light-ocr
• Description: Fast, offline OCR for Node.js and C++, built on PP-OCRv6 and ONNX Runtime. It returns recognized text, confidence scores, and bounding coordinates without requiring Python at runtime.
• Category: Development Tools
• Features: Fully offline OCR, Node.js API, command-line interface, native C++ library, macOS CoreML acceleration, Windows WebGPU acceleration, Linux CPU support, confidence scores, bounding coordinates

Additional information

• License: Apache-2.0
• Primary language: C++
• npm package: https://www.npmjs.com/package/@arcships/light-ocr
• Latest release: https://github.com/arcships/light-ocr/releases/tag/v0.3.4
• Platforms: macOS, Windows, and Linux
• Current GitHub snapshot: 386 stars and 36 forks (2026-07-22)