feat: 自动在中英文之间添加空格，以改善排版

aio/tools/translator/bin/add-spaces-all.ts

@@ -0,0 +1,19 @@
+import * as fs from 'fs';
+import { dirs } from '../dirs';
+import { listMarkdownFiles } from '../extractor';
+
+export function addSpaces(sourceDir: string): void {
+  const files = listMarkdownFiles(sourceDir);
+  files.forEach(fileName => {
+    console.log('adding spaces ...', fileName);
+    const content = fs.readFileSync(fileName, 'utf8');
+    const result = content
+      .replace(/([\u4e00-\u9fa5])([a-zA-Z0-9`])/g, '$1 $2')
+      .replace(/([a-zA-Z0-9`])([\u4e00-\u9fa5])/g, '$1 $2')
+    ;
+    fs.writeFileSync(fileName, result, 'utf8');
+    console.log('added spaces ', fileName);
+  });
+}
+
+addSpaces(dirs.content);