feat: add GitHub Actions workflows and update (#53)

* feat: add GitHub Actions workflows and update
package.json

* Update dependencies in pnpm-lock.yaml

* Delete build workflows for ClassroomIO-com and
ClassroomIO-dashboard

apps/dashboard/package.json

@@ -46,7 +46,6 @@
     "pluralize": "^8.0.0",
     "posthog-js": "^1.87.2",
     "sirv": "^2.0.3",
-    "supabase": "^1.112.0",
     "svelte-email": "^0.0.4",
     "svelte-ui": "workspace:*",
     "unsplash-js": "^7.0.18",
@@ -71,6 +70,7 @@
     "postcss": "^8.4.24",
     "postcss-load-config": "^4.0.1",
     "sass": "^1.64.2",
+    "supabase": "^1.112.0",
     "svelte": "^4.1.2",
     "svelte-calendar": "^3.1.6",
     "svelte-dnd-action": "^0.9.24",