Created doc index
Corrected link
Corrected link
Added doc for AbstractCustomEntity
Added doc for AbstractCustomEntity
Added doc for AbstractCustomEntity
Added doc for AbstractCustomEntity
Added doc for AbstractCustomEntity
Added doc for AbstractCustomEntity
Update crud_interface.rst

CRUD configuration documentation
Added doc for index action
completed documentation for index action
Update crud_interface.rst
Addded doc for create action
Added doc for edit action
Update crud_interface.rst
Changed default flash message
Added links to doc
Corrected typo
Corrected links