refactor(infra): directory structure (#4615)

packages/frontend/templates/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "@affine/templates",
+  "private": true,
+  "sideEffect": false,
+  "exports": {
+    "./*.md": "./*.md",
+    "./v1/*.json": "./v1/*.json",
+    "./preloading.json": "./preloading.json"
+  },
+  "version": "0.10.0-canary.1"
+}