Revert "Revert "Add www github workflow""

This reverts commit f1f7c0bdf6.

.github/workflows/ci.yml

@@ -22,4 +22,3 @@ jobs:
 
       - name: install dependencies, build, run zig tests, rustfmt, clippy, cargo test --release
         run: ./ci/safe-earthly.sh +test-all
-

.github/workflows/nightly.yml

@@ -1,4 +1,4 @@
-on:  
+on:
   schedule:
     - cron:  '0 0 * * *'
 

.github/workflows/www.yml

@@ -0,0 +1,22 @@
+name: deploy www.roc-lang.org
+
+# Whenever a commit lands on trunk, deploy the site
+on:
+  push:
+    branches:
+      - deploy-www # TODO change to trunk
+
+jobs:
+  deploy:
+    name: 'Deploy to Netlify'
+    runs-on: [self-hosted]
+    steps:
+      - uses: jsmrcaga/action-netlify-deploy@v1.6.0
+        with:
+          install_command: 'pwd; cd ../../www'
+          build_command: 'bash build.sh'
+          build_directory: 'build'
+          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
+          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
+          NETLIFY_DEPLOY_MESSAGE: "Deploy git ref ${{ github.ref }}"
+          NETLIFY_DEPLOY_TO_PROD: true