Add SMO-OS-BNG-Grids Ruby gem

[Sebasmadridmx]

Summary

• Adds smo_os_bng_grids (v0.1.1) to the Ruby Exchange Gems catalog
• Pure Ruby gem providing all Ordnance Survey British National Grid squares (100km, 50km, 10km, 5km, 1km) with hardcoded geometry from the OS BNG Grids GeoPackage
• Point-to-grid-ref lookup, bounds retrieval, spatial search (radius/box), and ESRI Shapefile export

Gem details

• RubyGems: https://rubygems.org/gems/smo_os_bng_grids
• Source: https://github.com/Sebasmadridmx/smo_os_bng_grids
• License: OGL v3.0 (Contains OS data. Crown copyright and database right 2026)
• Dependencies: Zero runtime dependencies (pure Ruby stdlib)
• Tests: Test suite included
• Security: No eval, no shell execution, no deserialization, no network I/O

Test plan

• Point lookup across all resolutions verified
• Spatial search (radius and box) tested
• Shapefile export produces valid .shp/.shx/.dbf/.prj files
• Gem published and installable from RubyGems

🤖 Generated with Claude Code

[sonarqubecloud]

Quality Gate failed

Failed conditions
C Security Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

Catch issues before they fail your Quality Gate with our IDE extension SonarQube for IDE