Fixed Monorepo Merge Build

By default, TypeScript looks for type roots in
parent node_modules directories. We can't
do this because there are React types
that cause errors. This commit explicitly
defines the type roots for the package to avoid
that behavior.

tools/monorepo-merge/tsconfig.json

@@ -6,7 +6,10 @@
     "outDir": "dist",
     "rootDir": "src",
     "strict": true,
-    "target": "es2019"
+    "target": "es2019",
+    "typeRoots": [
+			"./node_modules/@types"
+		],
   },
   "include": [
     "src/**/*"