add Readme

Readme-python.txt

+Sous Windows, VSCode et Python 3.6
+> pip3
+Fatal error in launcher: Unable to create process using '"'
+[ntird-us191-jg4:jgrelet]/c/git/python/pirata
+> python3 -m pip install --upgrade pip
+Collecting pip
+  Downloading https://files.pythonhosted.org/packages/d8/f3/413bab4ff08e1fc4828dfc59996d721917df8e8583ea85385d51125dceff/pip-19.0.3-py2.py3-none-any.whl (1.4MB)
+    100% |████████████████████████████████| 1.4MB 72kB/s
+Installing collected packages: pip
+  Found existing installation: pip 9.0.1
+    Uninstalling pip-9.0.1:
+      Successfully uninstalled pip-9.0.1
+Successfully installed pip-19.0.3
+[ntird-us191-jg4:jgrelet]/c/git/python/pirata
+> pip install toml
+Collecting toml
+  Downloading https://files.pythonhosted.org/packages/a2/12/ced7105d2de62fa7c8fb5fce92cc4ce66b57c95fb875e9318dba7f8c5db0/toml-0.10.0-py2.py3-none-any.whl
+Installing collected packages: toml
+Successfully installed toml-0.10.0
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