for_git_repo_use

file name : .flake8

```
[flake8]
max-line-length = 100
```

file name : .editorconfig

```
root = true

[*]
indent_style = space
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
indent_size = 2

[*.py]
indent_size = 4

[*.md]
trim_trailing_whitespace = false

[*.rst]
indent_size = 3
```

file name : .gitignore 
For example:

```
# Build and Release Folders
bin-debug/
bin-release/
[Oo]bj/
[Bb]in/

# Other files and folders
.settings/

# Executables
*.swf
*.air
*.ipa
*.apk

# Project files, i.e. `.project`, `.actionScriptProperties` and `.flexProperties`
# should NOT be excluded as they contain compiler settings and other important
# information for Eclipse / Flash Builder.
```

RUN sed -i -e 's/archive.ubuntu.com/free.nchc.org.tw/' /etc/apt/sources.list

# Byte-compiled / optimized / DLL files
__pycache__/
*.py[cod]
*$py.class

# C extensions
*.so

# Distribution / packaging
.Python
build/
develop-eggs/
dist/
downloads/
eggs/
.eggs/
lib/
lib64/
parts/
sdist/
var/
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
.hypothesis/
.pytest_cache/

# Translations
*.mo
*.pot

# Django stuff:
*.log
local_settings.py
db.sqlite3

# Flask stuff:
instance/
.webassets-cache

# Scrapy stuff:
.scrapy

# Sphinx documentation
docs/_build/

# PyBuilder
target/

# Jupyter Notebook
.ipynb_checkpoints

# IPython
profile_default/
ipython_config.py

# pyenv
.python-version

# celery beat schedule file
celerybeat-schedule

# SageMath parsed files
*.sage.py

# Environments
.env
.venv
env/
venv/
ENV/
env.bak/
venv.bak/

# Spyder project settings
.spyderproject
.spyproject

# Rope project settings
.ropeproject

# mkdocs documentation
/site

# mypy
.mypy_cache/
.dmypy.json
dmypy.json

# Pyre type checker
.pyre/