✨ feat(qalc): add special keymappings for qalc windows

lua/config/autocmds.lua

@@ -74,7 +74,44 @@ autocmd({ "BufEnter" }, {
   end,
 })
 
--- Set up autocommands and highlight settings
+--  ━━━━━━━━━━━━━━━━━━━━━━━ Set up Qalc keymappings ━━━━━━━━━━━━━━━━━━━━━━━
+-- Create a group for filetype-specific mappings
+vim.api.nvim_create_augroup("QalcFileTypeMappings", { clear = true })
+
+-- Create an autocommand for the qalc filetype
+vim.api.nvim_create_autocmd("FileType", {
+  pattern = "qalc",
+  group = "QalcFileTypeMappings",
+  callback = function()
+    -- Set the key mapping: 'y' to run the :QalcYank command in normal mode
+    vim.keymap.set( -- Yank Result
+      "n",
+      "y",
+      ":QalcYank +<CR>",
+      { noremap = true, silent = true }
+    )
+    -- Set the key mapping: 'q' to run the :QalcClose command in normal mode
+    vim.keymap.set( -- Close Qalc
+      "n",
+      "q",
+      ":QalcClose<CR>",
+      { noremap = true, silent = true }
+    )
+  end,
+})
+
+-- Define a custom command to close the Qalc buffer
+vim.api.nvim_create_user_command("QalcClose", function()
+  local buf_name = vim.api.nvim_buf_get_name(0)
+  if buf_name ~= "" then
+    vim.cmd("bd!")
+  else
+    -- If the buffer has no name, just remove it without invoking :bd!
+    vim.api.nvim_buf_delete(0, { force = true })
+  end
+end, { bang = true })
+
+--  ━━━━━━━━━━━━━━━━━━━━━━━━━━ Set up highlights ━━━━━━━━━━━━━━━━━━━━━━━━━━
 local load_highlight = require("utils.highlight")
 load_highlight.setup_autocommands()
 load_highlight.setup_dashboard_highlight()