Fixed up copilot and added copilot chat

lua/custom/plugins/copilot-chat.lua

@@ -0,0 +1,28 @@
+return {
+  {
+    'CopilotC-Nvim/CopilotChat.nvim',
+    event = 'VeryLazy',
+    branch = 'canary',
+    dependencies = {
+      { 'zbirenbaum/copilot.lua' }, -- or github/copilot.vim
+      { 'nvim-lua/plenary.nvim' }, -- for curl, log wrapper
+    },
+    opts = {},
+    keys = {
+      { '<leader>ho', '<cmd>CopilotChat<cr>', mode = { 'n', 'v' }, desc = 'CopilotChat - Open' },
+      { '<leader>he', '<cmd>CopilotChatExplain<cr>', mode = { 'n', 'v' }, desc = 'CopilotChat - Explain code' },
+      { '<leader>hr', '<cmd>CopilotChatReview<cr>', mode = { 'n', 'v' }, desc = 'CopilotChat - Review code' },
+      -- { '<leader>hR', '<cmd>CopilotChatRefactor<cr>', mode = { 'n', 'v' }, desc = 'CopilotChat - Refactor code' },
+      {
+        '<leader>hf',
+        '<cmd>CopilotChatFixDiagnostic<cr>', -- Get a fix for the diagnostic message under the cursor.
+        desc = 'CopilotChat - Fix diagnostic',
+      },
+      {
+        '<leader>hr',
+        '<cmd>CopilotChatReset<cr>', -- Reset chat history and clear buffer.
+        desc = 'CopilotChat - Reset chat history and clear buffer',
+      },
+    },
+  },
+}