build(packaging): completar fase 4 con icono mac y CI básica

.github/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - master
+      - work
+  pull_request:
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .nvmrc
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Typecheck
+        run: npm run typecheck
+
+      - name: Build
+        run: npm run build
+
+      - name: Test
+        run: npm test

.nvmrc

@@ -0,0 +1 @@
+22

package.json

@@ -49,7 +49,7 @@
       "target": [
         "dmg"
       ],
-      "icon": "static/icons/icon.ico"
+      "icon": "static/icons/icon.png"
     },
     "linux": {
       "target": [