build(tsconfig): update storybook and playground tsconfig (#377)

Add respective local directory to tsconfig (i.e. ./.stroybook and ./.playground)

Author: nickofthyme

.playground/tsconfig.json

@@ -4,6 +4,7 @@
     "downlevelIteration": true,
     "target": "es5"
   },
+  "include": ["../src/**/*", "./**/*"],
   "exclude": [
     "../**/*.test.*"
   ]

.storybook/tsconfig.json

@@ -1,4 +1,5 @@
 {
   "extends": "../tsconfig",
+  "include": ["../src/**/*", "../stories/**/*", "./**/*"],
   "exclude": ["../**/*.test.*"]
 }