fix: add railway.toml with Nixpacks builder and --no-frozen-lockfile to fix pnpm build

Signed-off-by: Igor <romanchaa997@gmail.com>

Author: romanchaa997

railway.toml

@@ -0,0 +1,18 @@
+# Railway deployment configuration for Audityzer
+# Monorepo: contracts/indexer/api/web (pnpm workspace)
+# Docs: https://docs.railway.app/reference/config-as-code
+
+[build]
+builder = "NIXPACKS"
+buildCommand = "pnpm install --no-frozen-lockfile && pnpm run build"
+
+[deploy]
+startCommand = "node dist/cli.js"
+healthcheckPath = "/health"
+healthcheckTimeout = 300
+restartPolicyType = "ON_FAILURE"
+restartPolicyMaxRetries = 10
+numReplicas = 1
+
+[service]
+internalPort = 3000