Update llm lua to include phi4

after/plugin/llm.lua

@@ -10,13 +10,23 @@ require("codecompanion").setup({
         },
       })
     end,
+    phi4 = function()
+      return require("codecompanion.adapters").extend("ollama", {
+        name = "phi4", -- Give this adapter a different name to differentiate it from the default ollama adapter
+        schema = {
+          model = {
+            default = "phi4:latest",
+          },
+        },
+      })
+    end,
   },
   strategies = {
       chat = {
-          adapter= "llama3_2",
+          adapter= "phi4",
       },
       inline = {
-          adapter="llama3_2",
+          adapter="phi4",
       }
   }
 })