Add install script, revert workspaces change

This also reverts commit 672ec5b.

README.md

@@ -36,7 +36,7 @@ Key features:
 To install all dependencies and run dev server, run:
 
 ```shell
-yarn && yarn start
+yarn setup && yarn start
 ```
 
 ### Examples

lerna.json

@@ -2,7 +2,6 @@
   "packages": [
     "packages/*"
   ],
-  "useWorkspaces": true,
   "npmClient": "yarn",
   "version": "2.3.11"
 }

package.json

@@ -1,8 +1,8 @@
 {
   "private": true,
   "repository": "https://github.com/domql/domql",
-  "workspaces": [ "packages/*" ],
   "scripts": {
+    "setup": "yarn && lerna link --force-local",
     "start": "parcel examples/index.html --no-cache --port 1200",
     "build": "lerna run build",
     "build:domql": "parcel build packages/all/index.js && esbuild packages/all/index.js --bundle --format=cjs --outfile=packages/all/dist/module.bundle.cjs.js && esbuild packages/all/allExports.js --bundle --format=cjs --outfile=packages/all/dist/exports.js",