Added cache exchange urq, fixed eslint, added prettier, upgraded yarn, added statsSite command.

src/main.ts

@@ -8,7 +8,7 @@ import { config } from "#root/config.js";
 import { logger } from "#root/logger.js";
 import { createServer, createServerManager } from "#root/server/index.js";
 import { run } from "@grammyjs/runner";
-import { Client, fetchExchange } from "@urql/core";
+import { cacheExchange, Client, fetchExchange } from "@urql/core";
 
 async function startPolling(config: PollingConfig) {
   const bot = createBot(config.botToken, {
@@ -116,7 +116,7 @@ function onShutdown(cleanUp: () => Promise<void>) {
 
 export const urql = new Client({
   url: process.env.GRAPHQL_URL || "",
-  exchanges: [fetchExchange],
+  exchanges: [fetchExchange, cacheExchange],
   fetchOptions: {
     headers: {
       "x-api-key": process.env?.GRAPHQL_API_TOKEN || ""