Update README.md

README.md

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 # Librusec dataset
 
-Based on http://panchenko.me/data/russe/librusec_fb2.plain.gz
+
+## Table of Contents
+- [Table of Contents](#table-of-contents)
+- [Description](#description)
+- [Usage](#usage)
+
+## Description
+
+**Summary:** Based on http://panchenko.me/data/russe/librusec_fb2.plain.gz. Uploaded here for convenience. Additional cleaning was performed.
+
+**Script:** [create_librusec.py](https://github.com/IlyaGusev/rulm/blob/master/data_processing/create_librusec.py)
+
+**Point of Contact:** [Ilya Gusev]([email protected])
+
+**Languages:** Russian.
+
+
+## Usage
+
+Prerequisites:
+```bash
+pip install datasets zstandard jsonlines pysimdjson
+```
+
+Dataset iteration:
+```python
+from datasets import load_dataset
+dataset = load_dataset('IlyaGusev/librusec', split="train", streaming=True)
+for example in dataset:
+    print(example["text"])
+```