目次を修正：ch00-00を「はじめに」に変更

tatsuya6502 · tatsuya6502 · commit 71f4da787f9f · 2022-03-08T07:26:29.000+08:00
diff --git a/src/SUMMARY.md b/src/SUMMARY.md
@@ -10,7 +10,7 @@
 -->
 [The Rust Programming Language 日本語版](title-page.md)
 [まえがき](foreword.md)
-[導入](ch00-00-introduction.md)
+[はじめに](ch00-00-introduction.md)
 
 <!--
 ## Getting started
