Fix issues in IDEs (especially VS Code) with recognizing Cypress Typescript files.

Author: tdonohue

cypress/tsconfig.json

@@ -1,10 +1,16 @@
 {
   "extends": "../tsconfig.json",
   "include": [
-    "**/*.ts"
+    "**/*.ts",
+    "../cypress.config.ts"
   ],
   "compilerOptions": {
     "sourceMap": false,
+    "typeRoots": [
+      "../node_modules",
+      "../node_modules/@types",
+      "../src/typings.d.ts"
+    ],
     "types": [
       "cypress",
       "cypress-axe",