Automate GitHub Actions run

Author: j2only

.github/workflows/demo.yml

@@ -1,5 +1,7 @@
 name: Generate demo site
-on: [workflow_dispatch]
+on:
+  push:
+    branches: [ "main" ]
 permissions:
   contents: write
 jobs:

.github/workflows/npm.yml

@@ -1,5 +1,7 @@
 name: Build & Publish to NPM
-on: [workflow_dispatch]
+on:
+  push:
+    branches: [ "main" ]
 jobs:
   build:
     runs-on: ubuntu-latest