Add S-Tab mapping to outdent

Update Copilot to use C-a to accept change to avoid conflict with `Tab` for indenting

.config/nvim/init.lua

@@ -34,6 +34,7 @@ require("config.lazy")
 vim.keymap.set("n", "<leader>r", ":source %<CR>", { desc = "Reload Config" })
 vim.keymap.set("n", "<leader>bs", ":vsplit<CR>", { desc = "Vertical Split" })
 vim.keymap.set("n", "<leader>vm", ":lua vim.diagnostic.open_float()<CR>", { desc = "Show Diagnostic Message" })
+vim.api.nvim_set_keymap('i', '<S-Tab>', '<C-d>', { noremap = true, silent = true })
 
 -- remap yank to system clipboard
 vim.keymap.set("n", "<leader>y", '"+y', { desc = "Yank to Clipboard" })

.config/nvim/lua/plugins/llm.lua

@@ -1,6 +1,14 @@
 return {
 	{
 		"github/copilot.vim",
+		config = function()
+			vim.keymap.set("i", "<C-a>", 'copilot#Accept()', {
+				expr = true,
+				silent = true,
+        replace_keycodes = false,
+			})
+			vim.g.copilot_no_tab_map = true
+		end,
 	},
 	{
 		"CopilotC-Nvim/CopilotChat.nvim",