moves react back to peer dependencies

packages/tldraw/package.json

     "docs": "typedoc",
     "docs:watch": "typedoc --watch"
   },
+  "peerDependencies": {
+    "react": ">=16.8",
+    "react-dom": "^16.8 || ^17.0",
+    "tslib": "^2.3.1"
+  },
   "dependencies": {
     "@radix-ui/react-alert-dialog": "^0.1.1",
     "@radix-ui/react-checkbox": "^0.1.1",
     "@tldraw/intersect": "^0.1.3",
     "@tldraw/vec": "^0.1.3",
     "perfect-freehand": "^1.0.16",
-    "react": ">=16.8",
-    "react-dom": "^16.8 || ^17.0",
     "react-hotkeys-hook": "^3.4.0",
     "rko": "^0.5.25"
   },
     "tsconfig-replace-paths": "^0.0.5"
   },
   "gitHead": "083b36e167b6911927a6b58cbbb830b11b33f00a"
-}
+}