fix: Update nginx config to use dynamic DNS resolution

- Replace upstream blocks with resolver directive
- Use variables for backend addresses to avoid startup errors
- Simplify configuration with single server block
- Add health check endpoint

server/api/node_modules/human-signals/CHANGELOG.md

@@ -0,0 +1,11 @@
+# 2.1.0
+
+## TypeScript types
+
+- Add [TypeScript definitions](src/main.d.ts)
+
+# 2.0.0
+
+## Breaking changes
+
+- Minimal supported Node.js version is now `10.17.0`