Initial auth library commmit

lib/middleware/performance.ts

@@ -0,0 +1,15 @@
+import { Next } from 'koa';
+import { KoaContext } from '../types/KoaContext';
+
+export const performanceLogger = async (ctx: KoaContext, next: Next) => {
+    await next();
+    const rt = ctx.response.get('X-Response-Time');
+    console.log(`${ctx.method} ${ctx.url} - ${rt}`);
+};
+
+export const perfromanceTimer = async (ctx: KoaContext, next: Next) => {
+    const start = Date.now();
+    await next();
+    const ms = Date.now() - start;
+    ctx.set('X-Response-Time', `${ms}ms`);
+};