Use avante instead of copilot chat

lua/custom/plugins/avante.lua

@@ -0,0 +1,45 @@
+return {
+  'yetone/avante.nvim',
+  event = 'VeryLazy',
+  version = '*',
+  opts = {
+    provider = 'copilot',
+    copilot = {
+      endpoint = 'https://api.githubcopilot.com',
+      model = 'gpt-4o-2024-08-06',
+      proxy = nil,
+      allow_insecure = false,
+      timeout = 30000,
+      temperature = 0,
+      max_tokens = 4096,
+    },
+  },
+  build = 'make',
+  dependencies = {
+    'nvim-treesitter/nvim-treesitter',
+    'stevearc/dressing.nvim',
+    'nvim-lua/plenary.nvim',
+    'MunifTanjim/nui.nvim',
+    {
+      'HakonHarnes/img-clip.nvim',
+      event = 'VeryLazy',
+      opts = {
+        default = {
+          embed_image_as_base64 = false,
+          prompt_for_file_name = false,
+          drag_and_drop = {
+            insert_mode = true,
+          },
+          use_absolute_path = true,
+        },
+      },
+    },
+    {
+      'MeanderingProgrammer/render-markdown.nvim',
+      opts = {
+        file_types = { 'markdown', 'Avante' },
+      },
+      ft = { 'markdown', 'Avante' },
+    },
+  },
+}