Upload .gitignore

.gitignore

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+# =======================================
+# Hugging Face & Model Cache
+# =======================================
+.cache/
+hf_cache/
+data/ 
+
+# NLTK data
+nltk_data/
+
+# =======================================
+# Streamlit
+# =======================================
+.streamlit/
+.streamlit/*
+
+# =======================================
+# Python artifacts
+# =======================================
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+
+# =======================================
+# Logs & temporary files
+# =======================================
+*.log
+tmp/
+*.tmp/
+*.sqlite3
+*.db
+
+# =======================================
+# Matplotlib cache
+# =======================================
+matplotlib/