feat: add discord-webhooks module for embed notifications

- New module with batching queue, per-webhook event filtering
- Hytale orange (#F26430) embeds with timestamps
- Retry on 429 rate limits
- Integrated into all 5 tracker modules

src/modules/hytale-presskit/index.ts

@@ -1,5 +1,6 @@
 import type { Module, ModuleDependencies } from '../../core/module.js'
 import type { HytaleTrackerConfig } from '../../types.js'
+import { formatPresskitEmbed } from '../discord-webhooks/formatter.js'
 import { formatPresskitUpdate } from './formatter.js'
 import { checkPresskitUpdate } from './tracker.js'
 
@@ -64,6 +65,9 @@ export function hytalePresskitFactory(
           chatIds: this.config.chatIds,
           disableLinkPreview: true,
         })
+        if (this.dependencies.webhooks) {
+          await this.dependencies.webhooks.send('presskit', formatPresskitEmbed(update))
+        }
         this.dependencies.logger(this.name, `Update detected: ${update.size} bytes`)
       }
     }