add bind to copy filename and position

lua/mappings.lua

@@ -46,6 +46,17 @@ for _, key in ipairs({"A", "Z", "E", "Q", "S", "D"}) do
   s({ 'n' }, "<A-" .. string.lower(key) .. ">", "g'" .. key, { desc = "Jump to mark " .. key })
 end
 
+function copy_filename_and_line ()
+  local filename = vim.fn.expand("%:t")
+  local line = vim.fn.line(".")
+  local text = filename .. ":" .. line
+  vim.fn.setreg("+", text)
+  vim.print(text)
+end
+
+s({ 'n' }, "y<c-g>", copy_filename_and_line, { desc = "Copy filename and line"})
+
+
 function moveCursorToMouse()
   local mousePos = vim.fn.getmousepos()
   vim.fn.setpos(".", { 0, mousePos.line, mousePos.column, 0 })