[Core] Add architecture drawing

README.md

@@ -185,6 +185,12 @@ Here are some of the major database solutions that are supported:
     </a>
 </p>
 
+## System architecture
+
+---
+
+<img src="docs/docs/assets/architecture.jpg" width="100%" />
+
 ## Stargazers over time
 
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README.ru.md

@@ -185,6 +185,12 @@ DataCap может запрашивать данные из любого хра
     </a>
 </p>
 
+## Архитектура системы
+
+---
+
+<img src="docs/docs/assets/architecture.jpg" width="100%" />
+
 ## Атлас вкладов
 
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README.zh_CN.md

@@ -185,6 +185,12 @@ DataCap 可以从任何使用 SQL 的数据存储或数据引擎（ClickHouse、
     </a>
 </p>
 
+## 系统架构
+
+---
+
+<img src="docs/docs/assets/architecture.jpg" width="100%" />
+
 ## 贡献图谱
 
 ---