Fix: Add missing gist card in express.js for other platforms deploy (#3096)

express.js

@@ -2,6 +2,7 @@ import statsCard from "./api/index.js";
 import repoCard from "./api/pin.js";
 import langCard from "./api/top-langs.js";
 import wakatimeCard from "./api/wakatime.js";
+import gistCard from "./api/gist.js";
 import express from "express";
 import dotenv from "dotenv";
 
@@ -13,3 +14,4 @@ app.get("/", statsCard);
 app.get("/pin", repoCard);
 app.get("/top-langs", langCard);
 app.get("/wakatime", wakatimeCard);
+app.get("/gist", gistCard);