Creation of dotnet tools library

[ClementBobin]

Creation of a dotnet tools to help with dotnet Api

This dotnet tools should compose off:

• [ ] Generation of url callback for Api in case of need
• [ ] Calculate the distance between a position and all station
• [ ] A converter off date to change the format and return the debut date and end date
• [ ] And a Validator to see if position given is correct

The livrabre should be the code

For Validation creation of test that show case the good work of the tools