Initialize README

README.md

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-title: Test Leaderboard
-emoji: 👀
-colorFrom: blue
-colorTo: pink
-sdk: gradio
-sdk_version: 5.12.0
-app_file: app.py
-pinned: false
----
-
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+# RAG Evaluation Leaderboard
+
+This leaderboard tracks different RAG (Retrieval-Augmented Generation) implementations and their performance metrics.
+
+## Metrics Tracked
+
+### Retrieval Metrics
+- Hit Rate: Proportion of relevant documents retrieved
+- MRR (Mean Reciprocal Rank): Position of first relevant document
+
+### Generation Metrics
+- ROUGE-1: Unigram overlap
+- ROUGE-2: Bigram overlap
+- ROUGE-L: Longest common subsequence