feat(docs): Remove outdated service templates and enhance Vietnamese architecture documentation

- Deleted obsolete service architecture templates in both English and Vietnamese to streamline content.
- Updated the Vietnamese architecture documentation with improved Mermaid diagrams for better visual clarity.
- Enhanced color coding in diagrams to improve readability and consistency across documentation.
- Added a new section detailing visual indicators for better understanding of architecture components.

docs/vi/architecture/event-driven-architecture.md

@@ -27,8 +27,12 @@ graph TD
     Topics -->|Subscribe| Consumer1
     Topics -->|Subscribe| Consumer2
     
+    style IAM fill:#5E35B1,stroke:#4527A0,color:#ffffff
+    style Service1 fill:#5E35B1,stroke:#4527A0,color:#ffffff
     style Kafka fill:#1E88E5,stroke:#1565C0,color:#ffffff
     style Topics fill:#FB8C00,stroke:#EF6C00,color:#ffffff
+    style Consumer1 fill:#43A047,stroke:#2E7D32,color:#ffffff
+    style Consumer2 fill:#43A047,stroke:#2E7D32,color:#ffffff
 ```
 
 ## Mô tả Kiến trúc
@@ -214,7 +218,7 @@ C4Context
 - Automatic deletion sau retention period
 - Compliance với GDPR (right to erasure)
 
-## Triển khai / Deployment
+## Triển khai
 
 ```mermaid
 graph TD
@@ -264,25 +268,29 @@ graph TD
     style Broker2 fill:#1E88E5,stroke:#1565C0,color:#ffffff
     style Broker3 fill:#1E88E5,stroke:#1565C0,color:#ffffff
     style ZK fill:#8E24AA,stroke:#7B1FA2,color:#ffffff
+    style IAM fill:#5E35B1,stroke:#4527A0,color:#ffffff
+    style ServiceA fill:#5E35B1,stroke:#4527A0,color:#ffffff
+    style Notification fill:#43A047,stroke:#2E7D32,color:#ffffff
+    style Audit fill:#43A047,stroke:#2E7D32,color:#ffffff
 ```
 
-### Chiến lược Triển khai / Deployment Strategy
+### Chiến lược Triển khai
 
-**Cấu hình Kafka Cluster / Kafka Cluster Configuration**:
+**Cấu hình Kafka Cluster**:
 - **Brokers**: 3 brokers minimum (5 for production)
 - **Replication Factor**: 3 (for fault tolerance)
 - **Min In-Sync Replicas**: 2 (ensure data durability)
 - **Partitions**: 3-10 per topic (based on throughput needs)
 - **Zookeeper**: 3-node ensemble (for coordination)
 
-**Phân bổ Tài nguyên / Resource Allocation**:
+**Phân bổ Tài nguyên**:
 | Component | CPU | Memory | Disk |
 |-----------|-----|--------|------|
 | **Kafka Broker** | 2 cores | 4GB RAM | 100GB SSD |
 | **Zookeeper** | 1 core | 2GB RAM | 20GB SSD |
 | **Schema Registry** | 500m | 1GB RAM | 10GB |
 
-**Cấu hình Topic / Topic Configuration**:
+**Cấu hình Topic**:
 ```yaml
 user.created:
   partitions: 3
@@ -303,15 +311,15 @@ audit.events:
   compression-type: lz4
 ```
 
-**Tính Sẵn sàng Cao / High Availability**:
+**Tính Sẵn sàng Cao**:
-- Multiple brokers với partition replication / Multiple brokers with partition replication
+- Multiple brokers với partition replication
-- Automatic leader election khi broker fails / Automatic leader election when broker fails
+- Automatic leader election khi broker fails
 - Consumer group rebalancing
-- Monitoring và alerting cho broker health / Monitoring and alerting for broker health
+- Monitoring và alerting cho broker health
 
-## Giám sát & Khả năng quan sát / Monitoring & Observability
+## Giám sát & Khả năng quan sát
 
-### Chỉ số Chính / Key Metrics
+### Chỉ số Chính
 
 **Kafka Broker Metrics**:
 - `kafka_server_brokertopicmetrics_messagesinpersec` - Messages in/sec
@@ -332,7 +340,7 @@ audit.events:
 
 **Application Metrics**:
 ```typescript
-// Custom metrics cho event processing / Custom metrics for event processing
+// Custom metrics cho event processing
 const eventPublished = new Counter({
   name: 'events_published_total',
   help: 'Total events published',
@@ -353,7 +361,7 @@ const eventProcessingDuration = new Histogram({
 });
 ```
 
-**Quy tắc Cảnh báo / Alerting Rules**:
+**Quy tắc Cảnh báo**:
 ```yaml
 # High consumer lag
 - alert: HighConsumerLag
@@ -395,9 +403,9 @@ const eventProcessingDuration = new Histogram({
 - Consumer Performance (lag, throughput, errors)
 - Topic Metrics (messages/sec, bytes/sec, retention)
 
-**Logging / Ghi nhật ký**:
+**Logging**:
 ```typescript
-// Structured logging cho events / Structured logging for events
+// Structured logging cho events
 logger.info('Event published', {
   eventId: event.eventId,
   eventType: event.eventType,
@@ -415,21 +423,21 @@ logger.info('Event consumed', {
 ```
 
 
-## Tài liệu Liên quan / Related Documentation
+## Tài liệu Liên quan
 
-- [System Design](./system-design.md) - Kiến trúc tổng thể / Overall architecture
+- [System Design](./system-design.md) - Kiến trúc tổng thể
-- [IAM Architecture](./iam-proposal.md) - Triển khai Event sourcing / Event sourcing implementation
+- [IAM Architecture](./iam-proposal.md) - Triển khai Event sourcing
 
 ---
 
-**Cập nhật Lần cuối / Last Updated**: 2026-01-07  
+**Cập nhật Lần cuối**: 2026-01-07  
-**Tác giả / Authors**: GoodGo Architecture Team
+**Tác giả**: GoodGo Architecture Team
 
-## Quick Tips / Mẹo Nhanh
+## Mẹo Nhanh
 
-### Mermaid Diagram Color Palette
+### Bảng Màu Mermaid
 
-| Node Type | Fill Color | Stroke Color | Text Color | Usage |
+| Loại Node | Màu Nền | Màu Viền | Màu Chữ | Sử dụng |
 |-----------|------------|--------------|------------|-------|
 | **Core/Broker** | `#1E88E5` (Blue) | `#1565C0` | `#ffffff` | Kafka Brokers, Main Components |
 | **Topic/Data** | `#FB8C00` (Orange) | `#EF6C00` | `#ffffff` | Topics, Queues, Data Stores |
@@ -437,10 +445,10 @@ logger.info('Event consumed', {
 | **Error/Danger** | `#E53935` (Red) | `#C62828` | `#ffffff` | Errors, DLQ, Critical issues |
 | **Coordination** | `#8E24AA` (Purple) | `#7B1FA2` | `#ffffff` | Zookeeper, Orchestrators |
 
-### Visual Indicators / Các Chỉ báo Trực quan
+### Các Chỉ báo Trực quan
 
-- 🔄 **Retry Loop**: Indicates automatic retries (Chỉ báo thử lại tự động)
+- 🔄 **Retry Loop**: Chỉ báo thử lại tự động
-- ⚠️ **DLQ/Warning**: Indicates error handling path (Đường dẫn xử lý lỗi)
+- ⚠️ **DLQ/Warning**: Đường dẫn xử lý lỗi
-- 📝 **Log/Audit**: Indicates logging point (Điểm ghi log)
+- 📝 **Log/Audit**: Điểm ghi log
-- 🔐 **Lock/Auth**: Indicates security check (Kiểm tra bảo mật)
+- 🔐 **Lock/Auth**: Kiểm tra bảo mật