New egg: SRFI-130: Cursor-based string library

[noosphere]

I would like to submit a new egg for publication:

  SRFI-130: Cursor-based string library

The documentation is here: [1]

The release-info is here: [2]

and test-new-egg has given it a clean bill of health.

  --Sergey

[1] - https://wiki.call-cc.org/eggref/5/srfi-130

[2] - https://github.com/diamond-lizard/srfi-130/raw/main/release-info