feat: 1.现在miaoFetchApi.getFile始终返回Promise<uint8array>. 2.增加文件加/解密插件，样式还没写，加密功能是挺正常的。3.加了个插件模板

src/plugins/miaoPluginTemplate/template.vue

@@ -0,0 +1,19 @@
+<template>
+    <div class="miaoCrypto-container"></div>
+</template>
+
+<script setup lang="ts">
+import { VirtualFile } from '@/class/VirtualDirectory'
+
+const currentFiles = defineModel<VirtualFile[]>('currentFiles', {
+    required: true
+})
+
+</script>
+
+<style scoped lang="scss">
+.miaoCrypto-container {
+    width: 100%;
+    height: 100%;
+}
+</style>