docs: ✏️ provider example

dev/src/views/renderer/provider.vue

@@ -0,0 +1,22 @@
+<template>
+  <component v-if="renderer" :is="renderer"></component>
+</template>
+<script lang="ts" setup>
+  import { ref, getCurrentInstance } from 'vue';
+  import { createProvider, MemoryService, ContextMode } from '@vtj/renderer';
+  const renderer = ref();
+  const instance = getCurrentInstance();
+  const service = new MemoryService();
+  const { provider, onReady } = createProvider({
+    service,
+    mode: ContextMode.Runtime
+  });
+
+  onReady(async () => {
+    const app = instance?.appContext.app;
+    if (app) {
+      app.use(provider);
+      renderer.value = await provider.getRenderComponent('文件id');
+    }
+  });
+</script>