feat: Add request context middleware for config and dependency injection in hooks (#8480)

src/Options/index.js

@@ -342,6 +342,8 @@ export interface ParseServerOptions {
   /* Options to limit repeated requests to Parse Server APIs. This can be used to protect sensitive endpoints such as `/requestPasswordReset` from brute-force attacks or Parse Server as a whole from denial-of-service (DoS) attacks.<br><br>ℹ️ Mind the following limitations:<br>- rate limits applied per IP address; this limits protection against distributed denial-of-service (DDoS) attacks where many requests are coming from various IP addresses<br>- if multiple Parse Server instances are behind a load balancer or ran in a cluster, each instance will calculate it's own request rates, independent from other instances; this limits the applicability of this feature when using a load balancer and another rate limiting solution that takes requests across all instances into account may be more suitable<br>- this feature provides basic protection against denial-of-service attacks, but a more sophisticated solution works earlier in the request flow and prevents a malicious requests to even reach a server instance; it's therefore recommended to implement a solution according to architecture and user case.
   :DEFAULT: [] */
   rateLimit: ?(RateLimitOptions[]);
+  /* Options to customize the request context using inversion of control/dependency injection.*/
+  requestContextMiddleware: ?((req: any, res: any, next: any) => void);
 }
 
 export interface RateLimitOptions {