Add composer command for running psalm
Add composer command for running psalm

I often want to run psalm by itself, and having this makes that easier.

ADmad/cakephp,CakeDC/cakephp,cakephp/cakephp,ADmad/cakephp,cakephp/cakephp,cakephp/cakephp,cakephp/cakephp,ADmad/cakephp,CakeDC/cakephp,ndm2/cakephp,dakota/cakephp,ndm2/cakephp,CakeDC/cakephp,ndm2/cakephp,ndm2/cakephp,ADmad/cakephp,dakota/cakephp,CakeDC/cakephp,dakota/cakephp,dakota/cakephp