Added terraform backend remote

Author: blueelvis

terraform/provider.tf

@@ -5,9 +5,17 @@ terraform {
       version = "~> 3.0"
     }
   }
+
+  backend "azurerm" {
+    resource_group_name  = "terraform"
+    storage_account_name = "pranavtfremotestate"
+    container_name       = "tfstate"
+    key                 = "xirr.terraform.tfstate"
+    use_oidc            = true
+  }
 }
 
 provider "azurerm" {
   skip_provider_registration = true
   features {}
-}
+}