Add json-mask 0.1.1-alpha - https://github.com/nemtsov/json-mask

**Name:** json-mask
**Version:** 0.1.1-alpha
**Release:** https://github.com/nemtsov/json-mask/releases/tag/v0.1.1-alpha
**Description:** Tiny language and engine for selecting specific parts of a JS object, preserving the structure of the original, and hiding the rest.