Add build workflow and update package.json for compressing CSS using …

…csso.

.github/workflows/build.yml

@@ -0,0 +1,26 @@
+name: Build CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x]
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm ci
+      - run: npm run build --if-present
+#      - run: npm test

README.md

@@ -2,3 +2,19 @@
 Our assets (CSS/JS) for Laravel Nova 4 improvements
 
 # terser (https://github.com/terser/terser) for JS <- todo
+# csso for CSS
+
+# How to use
+
+## Install
+In `NovaServiceProvider`:
+```php
+public function boot()
+{
+    // ...
+    Nova::style('nova-custom-panel-assets', 'https://cdn.jsdelivr.net/gh/The-3Labs-Team/nova-custom-panel-assets@main/dist/css/main.css');
+//    Nova::script('nova-custom-panel-assets', __DIR__.'/../dist/js/nova-custom-panel-assets.js');
+}
+```
+
+Version 1: https://cdn.jsdelivr.net/gh/The-3Labs-Team/nova-custom-panel-assets@1/dist/css/main.css

package.json

@@ -1,6 +1,7 @@
 {
   "scripts": {
-    "build": "csso src/css/main.css -o dist/css/main.css"
+    "build": "npm run compress:css",
+    "compress:css": "csso src/css/main.css -o dist/css/main.css"
   },
   "dependencies": {
     "csso-cli": "^4.0.2"