Update .gitignore and remove ignored files from tracking

.gitignore

@@ -0,0 +1,54 @@
+# Environment variables
+.env
+
+# Python cache and compiled files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Virtual environment directories
+venv/
+env/
+.venv/
+.env/
+
+# Jupyter Notebook checkpoints
+.ipynb_checkpoints/
+
+# Logs and debug files
+*.log
+*.out
+*.err
+
+# Operating system files
+.DS_Store
+Thumbs.db
+
+# IDE and editor files
+.vscode/
+.idea/
+*.swp
+
+# Temporary files
+*.tmp
+*.bak
+*.old
+*.swp
+*.swo
+
+# Test coverage output
+.coverage
+coverage.xml
+htmlcov/
+
+# Build and distribution directories
+build/
+dist/
+*.egg-info/
+
+# Hugging Face secrets
+hf_token
+
+# Other
+*.zip
+*.tar.gz