docs(rag): add documentation for the RAG and RAG service

Author: DavdGao

docs.json

@@ -87,6 +87,7 @@
                       "versions/2.0.3dev/en/building-blocks/plan",
                       "versions/2.0.3dev/en/building-blocks/permission-system",
                       "versions/2.0.3dev/en/building-blocks/middleware",
+                      "versions/2.0.3dev/en/building-blocks/rag",
                       "versions/2.0.3dev/en/building-blocks/long-term-memory",
                       "versions/2.0.3dev/en/building-blocks/workspace"
                     ]
@@ -96,6 +97,7 @@
                     "pages": [
                       "versions/2.0.3dev/en/deploy/agent-service",
                       "versions/2.0.3dev/en/deploy/agent-team",
+                      "versions/2.0.3dev/en/deploy/rag",
                       {
                         "group": "API",
                         "openapi": "versions/2.0.3dev/en/deploy/openapi.json"
@@ -282,15 +284,17 @@
                       "versions/2.0.3dev/zh/building-blocks/plan",
                       "versions/2.0.3dev/zh/building-blocks/permission-system",
                       "versions/2.0.3dev/zh/building-blocks/middleware",
+                      "versions/2.0.3dev/zh/building-blocks/rag",
                       "versions/2.0.3dev/zh/building-blocks/long-term-memory",
                       "versions/2.0.3dev/zh/building-blocks/workspace"
                     ]
                   },
                   {
-                    "group": "Agent 即服务",
+                    "group": "智能体即服务",
                     "pages": [
                       "versions/2.0.3dev/zh/deploy/agent-service",
                       "versions/2.0.3dev/zh/deploy/agent-team",
+                      "versions/2.0.3dev/zh/deploy/rag",
                       {
                         "group": "API",
                         "openapi": "versions/2.0.3dev/en/deploy/openapi.json"

versions/2.0.3dev/en/building-blocks/rag.mdx

@@ -1,6 +1,6 @@
 ---
-title: "Plan"
-description: "为 agent 提供结构化任务清单，用于规划、追踪并协调复杂工作"
+title: "计划模式"
+description: "为智能体提供结构化任务清单，用于规划、追踪并协调复杂工作"
 ---
 
 ## 概述

versions/2.0.3dev/en/deploy/rag.mdx

@@ -1,5 +1,5 @@
 ---
-title: "Changelog"
+title: "版本迁移"
 description: "AgentScope 2.0 与 1.0 的核心区别"
 ---
 

versions/2.0.3dev/zh/building-blocks/plan.mdx

@@ -1,6 +1,6 @@
 ---
-title: "FAQ"
-description: "AgentScope v2.0 常见问题"
+title: "常见问题"
+description: "AgentScope 2.0 常见问题"
 ---
 
 <AccordionGroup>

versions/2.0.3dev/zh/building-blocks/rag.mdx

@@ -1,6 +1,6 @@
 ---
-title: "发布说明"
-description: "AgentScope 版本改动和发布历史。"
+title: "更新日志"
+description: "AgentScope 版本改动和更新日志。"
 ---
 
 <Tip>