[AFP-134] 🔧 Add MongoDB config for ReactiveMongoTemplate creation used in orders pagination

src/main/java/com/afp/ordermanagement/config/MongoConfig.java

+package com.afp.ordermanagement.config;
+
+import com.mongodb.reactivestreams.client.MongoClient;
+import com.mongodb.reactivestreams.client.MongoClients;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
+import org.springframework.data.mongodb.core.SimpleReactiveMongoDatabaseFactory;
+
+@Configuration
+public class MongoConfig {
+    @Value("${spring.data.mongodb.database}")
+    public String databaseName;
+
+    @Bean
+    public SimpleReactiveMongoDatabaseFactory reactiveMongoDbFactory() {
+        MongoClient mongoClient = MongoClients.create();
+        return new SimpleReactiveMongoDatabaseFactory(mongoClient, databaseName);
+    }
+
+    @Bean
+    public ReactiveMongoTemplate reactiveMongoTemplate() throws Exception {
+        ReactiveMongoTemplate mongoTemplate = new ReactiveMongoTemplate(reactiveMongoDbFactory());
+        return mongoTemplate;
+    }
+}