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.

tsconfig.json

@@ -48,6 +48,7 @@
     "skipLibCheck": true, // skip all type checks for .d.ts files
     "paths": {
       "@affine/core/*": ["./packages/frontend/core/src/*"],
+      "@affine/core": ["./packages/frontend/core/src/index.ts"],
       "@affine/cli/*": ["./tools/cli/src/*"],
       "@affine/server/*": ["./packages/backend/server/src/*"],
       "@affine/component": ["./packages/frontend/component/src/index"],
@@ -90,9 +91,15 @@
     {
       "path": "./packages/frontend/core"
     },
+    {
+      "path": "./packages/frontend/web"
+    },
     {
       "path": "./packages/frontend/electron/tsconfig.test.json"
     },
+    {
+      "path": "./packages/frontend/electron/renderer/tsconfig.json"
+    },
     {
       "path": "./packages/frontend/graphql"
     },