Include missing SRFI libraries in README.

Author: objecthub

README.md

@@ -103,10 +103,12 @@ framework:
   - [SRFI 64: A Scheme API for test suites](https://srfi.schemers.org/srfi-64/srfi-64.html)
   - [SRFI 69: Basic hash tables](https://srfi.schemers.org/srfi-69/srfi-69.html)
   - [SRFI 95: Sorting and Merging](https://srfi.schemers.org/srfi-95/srfi-95.html)
+  - [SRFI 101: Purely Functional Random-Access Pairs and Lists](https://srfi.schemers.org/srfi-101/srfi-101.html)
   - [SRFI 111: Boxes](https://srfi.schemers.org/srfi-111/srfi-111.html)
   - [SRFI 112: Environment inquiry](https://srfi.schemers.org/srfi-112/srfi-112.html)
   - [SRFI 113: Sets and bags](https://srfi.schemers.org/srfi-113/srfi-113.html)
   - [SRFI 121: Generators](https://srfi.schemers.org/srfi-121/srfi-121.html)
+  - [SRFI 125: Intermediate hash tables](https://srfi.schemers.org/srfi-125/srfi-125.html)
   - [SRFI 128: Comparators](https://srfi.schemers.org/srfi-128/srfi-128.html)
   - [SRFI 129: Titlecase procedures](https://srfi.schemers.org/srfi-129/srfi-129.html)
   - [SRFI 132: Sort Libraries](https://srfi.schemers.org/srfi-132/srfi-132.html)