DOC: Add draft cookbook in RST format

...mentation/Cookbook/Art/QtImages/rescale_documentation.png

Documentation/Cookbook/Art/QtImages/rescale_logs.png

Documentation/Cookbook/Art/QtImages/rescale_param.png

Documentation/Cookbook/Art/QtImages/rescale_progress.png

Documentation/Cookbook/Art/S1-VV-despeckled-extract.png

Documentation/Cookbook/Art/S1-VV-extract-int.png

Documentation/Cookbook/Art/alphahot.png

Documentation/Cookbook/Art/anisotropyhot.png

Documentation/Cookbook/Art/entropyhot.png

Documentation/Cookbook/Art/sarpol_conversion_schema.png

Documentation/Cookbook/Art/test-left-co-2.png

Documentation/Cookbook/Art/test-left-cross-2.png

...on/Cookbook/CMake/RunApplicationsRstGenerator.sh.cmake.in

Documentation/Cookbook/CMakeLists.txt

Documentation/Cookbook/Scripts/otbGenerateWrappersRstDoc.py

Documentation/Cookbook/rst/Applications.rst

Documentation/Cookbook/rst/Applications/Calibration.rst

...entation/Cookbook/rst/Applications/Feature_Extraction.rst

Documentation/Cookbook/rst/Applications/Geometry.rst

Documentation/Cookbook/rst/Applications/Image_Filtering.rst