feat(application): add Railpack as a new build type

- Introduce Railpack as a new build method for applications
- Update database schema to include 'railpack' in buildType enum
- Add Railpack installation and validation scripts for servers
- Implement Railpack build and command generation utilities
- Update UI to include Railpack as a build option with a 'New' badge

apps/dokploy/drizzle/0069_legal_bill_hollister.sql

@@ -0,0 +1 @@
+ALTER TYPE "public"."buildType" ADD VALUE 'railpack';

apps/dokploy/drizzle/meta/_journal.json

@@ -484,6 +484,13 @@
       "when": 1740897756774,
       "tag": "0068_complex_rhino",
       "breakpoints": true
+    },
+    {
+      "idx": 69,
+      "version": "7",
+      "when": 1741152916611,
+      "tag": "0069_legal_bill_hollister",
+      "breakpoints": true
     }
   ]
 }