(Laravel) Posting file by ajax error 405 Method not Allowed

[this is the controller to store the file][1]

[1]: http://ift.tt/2eShvjM

[this is ajaxsubmit that i used to store the file][2]

[2]: http://ift.tt/2xi5mPt

[this is the view][3]

[3]: http://ift.tt/2eTFe38

[this is the error][4]

[4]: http://ift.tt/2xiirbk

I have researched and followed all answer about my problem, and I tried it, but nothing changed and I still get the error... Please help me to solve it

Thankyou

via Chebli Mohamed