added README for this issue

Author: Chloe White

text_sum/README.md

@@ -0,0 +1,13 @@
+# Advanced Extractive Text Summarizer
+
+A skeleton Python project for summarizing long documents using NLP techniques.
+
+## Features
+- Extract key sentences (placeholder)
+- Score sentences based on importance (placeholder)
+- Cluster related sentences (placeholder)
+
+## How to Use
+1. Run `python text_summarizer.py`
+2. Enter your text
+3. View summary output (placeholder)