Include test dirs to please TypeScript 6 in VSCode

Though it all works fine from command line, in VSCode it doesn't
infer that jest and node types are available.

Author: nene

tsconfig.json

@@ -1,6 +1,7 @@
 {
   "compilerOptions": {
     "module": "NodeNext",
+    "types": ["node", "jest"],
     "target": "es6",
     "lib": ["es6"],
     "rootDirs": ["src"],
@@ -12,6 +13,6 @@
     "noImplicitReturns": true,
     "isolatedModules": true
   },
-  "include": ["src"],
+  "include": ["src", "test", "perf"],
   "exclude": ["node_modules"]
 }