Add the self-hosted installer and release workflows

.env.example

@@ -1,8 +1,11 @@
+# Development settings. The installer writes its own .env; see README.md.
+
 PORT=7227
 
 GOOGLE_CLIENT_ID=
 GOOGLE_CLIENT_SECRET=
 
+# SMTP host, user and password
 EMAIL_DOMAIN=
 EMAIL_USER=
 EMAIL_PASS=
@@ -14,29 +17,14 @@ DEV_EMAIL_RECIPIENT=
 ENCRYPTION_KEY=
 ENCRYPTION_SALT=
 
-SOURCE_DIRECTORY=/home/user/projects/bunext-sqlite
-DEPLOY_SERVER_IP=192.168.5.27
-
-DATA_DIR=/data
-
-# Set to 1 on the one container that should run cron tasks in production
-MAIN_SERVER=
-
 # Web Push: generated into Settings > Environment on first start. Set a
 # fixed pair here only if you want to keep one across installs.
 VAPID_PUBLIC_KEY=
 VAPID_PRIVATE_KEY=
 
-# Optional public envs exposed to the client through __root.server.ts
-PAYSTACK_PUBLIC_KEY=
-R2_PUBLIC_DOMAIN=
-
 # Seed script overrides (bun run seed)
 SEED_SUPER_ADMIN_EMAIL=
 SEED_SUPER_ADMIN_USERNAME=
 SEED_SUPER_ADMIN_FIRST_NAME=
 SEED_SUPER_ADMIN_LAST_NAME=
 SEED_SUPER_ADMIN_PASSWORD=
-
-# Production: sitemap lastmod cache file on the /data volume
-PAGE_LASTMOD_FILE=