enh: Windows experience

Description

On Windows platform, the installation procedure is not complete, i.e. how to install the requirements and how to launch easily sheldon from Windows console.

Several bugs:

• 

• This exception is thrown when the character 'è' is encountered in a source file for exemple :

   * @param _stepèlength first and maximum step length.
   * @param _step_length first and maximum step length.

Functional specifications

No functional modifications

Technical specifications

• Modification of the sight-git/README.md file to explain how to install requirements on windows. Already done by Didier
• Adding a sheldon.bat in sight-git/hooks (side by side to the python startup file used by sheldon).
• Bug 1 (invalid escape sequence '\o'): just use a python raw string.
• Bug 2: Resolve by catching the UnicodeDecodeError exception, report the error (type and location) and continue the analysis.
• Add documentation on how to invoke sheldon in a git hook (see gitlab rules 6.1.1. commit-msg hook)

Test plan

Applying sheldon using my computer on sight/sight#1218