feat(kafka): add Kafka integration for event streaming

- Introduced Kafka support in the Evolution API, allowing for real-time event streaming and processing.
- Updated environment configuration to include Kafka-related variables.
- Added KafkaController and KafkaRouter for managing Kafka events.
- Enhanced event management to support Kafka alongside existing integrations.
- Updated database schemas and migrations for Kafka integration in both MySQL and PostgreSQL.
- Documented Kafka integration in the README file.

package-lock.json

@@ -39,6 +39,7 @@
         "json-schema": "^0.4.0",
         "jsonschema": "^1.4.1",
         "jsonwebtoken": "^9.0.2",
+        "kafkajs": "^2.2.4",
         "link-preview-js": "^3.0.13",
         "long": "^5.2.3",
         "mediainfo.js": "^0.3.4",
@@ -10718,6 +10719,15 @@
         "safe-buffer": "^5.0.1"
       }
     },
+    "node_modules/kafkajs": {
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/kafkajs/-/kafkajs-2.2.4.tgz",
+      "integrity": "sha512-j/YeapB1vfPT2iOIUn/vxdyKEuhuY2PxMBvf5JWux6iSaukAccrMtXEY/Lb7OvavDhOWME589bpLrEdnVHjfjA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/keyv": {
       "version": "5.5.1",
       "resolved": "https://registry.npmjs.org/keyv/-/keyv-5.5.1.tgz",