Add [skill] Localization Stress Test

**Is your resource open source?**
Yes

**Is your request for a plugin, widget, agent skill, or developer resource?**
Skill

**If this is a Skill, which Figma MCP server tools does it use?**
`use_figma`, `get_screenshot`, and `get_metadata`

**What is the URL for your resource repo?**
https://github.com/505Company/localization-stress-test