Add 2d field example
Add 2d field example

victorv/arrayfire,marbre/arrayfire,victorv/arrayfire,9prady9/arrayfire,umar456/arrayfire,marbre/arrayfire,arrayfire/arrayfire,shehzan10/arrayfire,victorv/arrayfire,umar456/arrayfire,umar456/arrayfire,munnybearz/arrayfire,shehzan10/arrayfire,arrayfire/arrayfire,shehzan10/arrayfire,munnybearz/arrayfire,umar456/arrayfire,shehzan10/arrayfire,9prady9/arrayfire,arrayfire/arrayfire,marbre/arrayfire,9prady9/arrayfire,victorv/arrayfire,arrayfire/arrayfire,munnybearz/arrayfire,9prady9/arrayfire,marbre/arrayfire