[site][xs]: add jsconfig so we can import from relate to base ".".

site/jsconfig.json

@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "baseUrl": ".",
+  },
+  "include": [
+    "**/*.ts",
+    "**/*.tsx",
+    "**/*.js",
+    "**/*.jsx",
+  ],
+  "exclude": ["node_modules"]
+}