refactor: add minimap demo, update api doc (#6550)

* refactor: add minimap demo

* refactor: update api doc

packages/g6/src/runtime/graph.ts

@@ -424,7 +424,7 @@ export class Graph extends EventEmitter {
    * <zh/> 获取插件实例
    *
    * <en/> Get plugin instance
-   * @param key - <zh/> 插件 key | <en/> plugin key
+   * @param key - <zh/> 插件 key（在配置 plugin 时需要手动传入指定） | <en/> plugin key(need to be specified manually when configuring plugin)
    * @returns <zh/> 插件实例 | <en/> plugin instance
    * @remarks
    * <zh/> 一些插件提供了 API 方法可供调用，例如全屏插件可以调用 `request` 和 `exit` 方法来请求和退出全屏

packages/site/examples/plugin/minimap/demo/basic.js

@@ -0,0 +1,22 @@
+import { Graph } from '@antv/g6';
+
+const graph = new Graph({
+  container: 'container',
+  data: { nodes: Array.from({ length: 20 }).map((_, i) => ({ id: `node${i}` })) },
+  behaviors: ['drag-canvas', 'zoom-canvas', 'drag-element'],
+  plugins: [
+    {
+      type: 'minimap',
+      size: [240, 160],
+    },
+  ],
+  node: {
+    palette: 'spectral',
+  },
+  layout: {
+    type: 'circular',
+  },
+  autoFit: 'view',
+});
+
+graph.render();

packages/site/examples/plugin/minimap/demo/meta.json

@@ -0,0 +1,16 @@
+{
+  "title": {
+    "zh": "中文分类",
+    "en": "Category"
+  },
+  "demos": [
+    {
+      "filename": "basic.js",
+      "title": {
+        "zh": "小地图",
+        "en": "Minimap"
+      },
+      "screenshot": "https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*asv5Roh25YkAAAAAAAAAAAAADmJ7AQ/original"
+    }
+  ]
+}

packages/site/examples/plugin/minimap/index.en.md

@@ -0,0 +1,3 @@
+---
+title: Minimap
+---

packages/site/examples/plugin/minimap/index.zh.md

@@ -0,0 +1,3 @@
+---
+title: Minimap 小地图
+---