Added translation plugin "Pantran"

lua/plugins/pantran.lua

@@ -0,0 +1,14 @@
+return {
+    "potamides/pantran.nvim",
+    config = function ()
+        local pantran = require("pantran")
+        pantran.setup({
+            default_engine = "google",
+            window = {
+                title_border = { "<<", ">>" },
+            }
+        })
+        vim.keymap.set("n", "<leader>tr", pantran.motion_translate, {expr=true})
+        vim.keymap.set("v", "<leader>tr", pantran.motion_translate, {expr=true})
+    end,
+}