Create comprehensive README for Code Alpha machine learning internship portfolio

.gitignore

@@ -0,0 +1,97 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# IDEs
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Machine Learning
+models/*.pkl
+models/*.h5
+models/*.model
+*.pkl
+*.h5
+*.model
+
+# Data files (keep structure but not large data)
+*.csv.backup
+*.xls.backup
+*.xlsx.backup
+
+# Outputs
+outputs/*.png
+outputs/*.jpg
+outputs/*.jpeg
+outputs/*.pdf
+outputs/*.xlsx
+outputs/*.csv
+
+# Jupyter Notebooks
+.ipynb_checkpoints/
+*.ipynb
+
+# Temporary files
+tmp/
+temp/