added more capabilities to my nvim setup

lua/plugins/ai.lua

@@ -44,7 +44,7 @@ return {
     opts = {
       -- Default provider (switch with :AvanteProvider command)
       -- Options: "claude", "openai", "azure", "gemini", "copilot", "cohere"
-      provider = "claude",
+      provider = "openai",
 
       -- Provider configurations
       providers = {
@@ -59,7 +59,7 @@ return {
         },
         openai = {
           endpoint = "https://api.openai.com/v1",
-          model = "gpt-4o",
+          model = "gpt-4o-mini",
           timeout = 30000,
           extra_request_body = {
             temperature = 0.75,
@@ -193,4 +193,21 @@ return {
       },
     },
   },
+  {
+    "zbirenbaum/copilot.lua",
+    cmd = "Copilot",
+    event = "InsertEnter",
+    opts = {
+      suggestion = {
+        enabled = true,
+        auto_trigger = true,
+        keymap = {
+          accept = "<C-l>",
+          next = "<C-n>",
+          prev = "<C-p>",
+        },
+      },
+      panel = { enabled = false },
+    },
+  }
 }