fix(rust): gd as go to definition key

Author: cpea2506

lua/pea/config/rustacean.lua

@@ -3,5 +3,11 @@ return function()
         tools = {
             executor = "toggleterm",
         },
+        server = {
+            on_attach = function()
+                -- repair the functionality of go to definition.
+                vim.keymap.set("n", "gd", vim.lsp.buf.definition)
+            end,
+        },
     }
 end