add gitignore

add gitignore to master branch

.gitignore

+# Created by https://www.toptal.com/developers/gitignore/api/macos,windows,emacs,jupyternotebooks,python Edit at 
+# https://www.toptal.com/developers/gitignore?templates=macos,windows,emacs,jupyternotebooks,python
+### Emacs ###
+# -*- mode: gitignore; -*-
+*~ \#*\# /.emacs.desktop /.emacs.desktop.lock *.elc auto-save-list tramp .\#*
+# Org-mode
+.org-id-locations *_archive ltximg/**
+# flymake-mode
+*_flymake.*
+# eshell files
+/eshell/history /eshell/lastdir
+# elpa packages
+/elpa/
+# reftex files
+*.rel
+# AUCTeX auto folder
+/auto/
+# cask packages
+.cask/ dist/
+# Flycheck
+flycheck_*.el
+# server auth directory
+/server/
+# projectiles files
+.projectile
+# directory configuration
+.dir-locals.el
+# network security
+/network-security.data
+### JupyterNotebooks ###
+# gitignore template for Jupyter Notebooks website: http://jupyter.org/
+.ipynb_checkpoints */.ipynb_checkpoints/*
+# IPython
+profile_default/ ipython_config.py
+# Remove previous ipynb_checkpoints git rm -r .ipynb_checkpoints/
+### macOS ###
+# General
+.DS_Store .AppleDouble .LSOverride
+# Icon must end with two \r
+Icon
+# Thumbnails
+._*
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100 .fseventsd .Spotlight-V100 .TemporaryItems .Trashes .VolumeIcon.icns 
+.com.apple.timemachine.donotpresent
+# Directories potentially created on remote AFP share
+.AppleDB .AppleDesktop Network Trash Folder Temporary Items .apdisk
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/ *.py[cod] *$py.class
+# C extensions
+*.so
+# Distribution / packaging
+.Python build/ develop-eggs/ downloads/ eggs/ .eggs/ parts/ sdist/ var/ wheels/ pip-wheel-metadata/ 
+share/python-wheels/ *.egg-info/ .installed.cfg *.egg MANIFEST
+# PyInstaller Usually these files are written by a python script from a template before PyInstaller builds the exe, 
+#  so as to inject date/other infos into it.
+*.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 *.py,cover .hypothesis/ 
+.pytest_cache/ pytestdebug.log
+# Translations
+*.mo *.pot
+# Django stuff:
+*.log local_settings.py db.sqlite3 db.sqlite3-journal
+# Flask stuff:
+instance/ .webassets-cache
+# Scrapy stuff:
+.scrapy
+# Sphinx documentation
+docs/_build/ doc/_build/
+# PyBuilder
+target/
+# Jupyter Notebook IPython pyenv
+.python-version
+# pipenv According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control. However, in 
+#   case of collaboration, if having platform-specific dependencies or dependencies having no cross-platform 
+#   support, pipenv may install dependencies that don't work, or not install all needed dependencies.
+#Pipfile.lock poetry poetry.lock PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+# Celery stuff
+celerybeat-schedule celerybeat.pid
+# SageMath parsed files
+*.sage.py
+# Environments .env
+.env/ .venv/ env/ venv/ ENV/ env.bak/ venv.bak/ pythonenv*
+# Spyder project settings
+.spyderproject .spyproject
+# Rope project settings
+.ropeproject
+# mkdocs documentation
+/site
+# mypy
+.mypy_cache/ .dmypy.json dmypy.json
+# Pyre type checker
+.pyre/
+# pytype static type analyzer
+.pytype/
+# operating system-related files file properties cache/storage on macOS
+*.DS_Store
+# thumbnail cache on Windows
+Thumbs.db
+# profiling data
+.prof
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db:encryptable ehthumbs.db ehthumbs_vista.db
+# Dump file
+*.stackdump
+# Folder config file
+[Dd]esktop.ini
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+# Windows Installer files
+*.cab *.msi *.msix *.msm *.msp
+# Windows shortcuts
+*.lnk
+# End of https://www.toptal.com/developers/gitignore/api/macos,windows,emacs,jupyternotebooks,python