refactor(core): split web entry from core (#6082)

This pr is trying to split `web` and `electron` entries from `core`. It allows more platform-related optimization to be addressed in each entry.
We should remove all browser/electron only codes from `core` eventually, this is the very first step for that.

packages/frontend/web/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "@affine/web",
+  "version": "0.0.0",
+  "description": "AFFiNE Desktop Web application",
+  "private": true,
+  "browser": "src/index.tsx",
+  "scripts": {
+    "build": "yarn workspace @affine/cli build",
+    "dev": "yarn workspace @affine/cli dev",
+    "static-server": "yarn workspace @affine/cli dev --static"
+  },
+  "dependencies": {
+    "@affine/component": "workspace:*",
+    "@affine/core": "workspace:*",
+    "@affine/env": "workspace:*",
+    "@juggle/resize-observer": "^3.4.0",
+    "intl-segmenter-polyfill-rs": "^0.1.7",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0"
+  },
+  "devDependencies": {
+    "@affine/cli": "workspace:*",
+    "@types/react": "^18.2.60",
+    "@types/react-dom": "^18.2.19",
+    "typescript": "^5.3.3"
+  }
+}