My client has some application which has done on rails 2.3. I need to implement some features in that application.But i need not to change anything from original application. I need to add the features through plugin. Actually i need to change theme and some view page.Theme should be effect to whole application including login page.View file should override on specific view page.How can i develop this thing.Please help me. I am new to RoR.
Thanks Mayara Rajesh