Unify spacing and wording in the Japanese docs pages

Drop the spaces between Japanese text and inline code or alphanumerics
in the tour and the few other pages that still had them, and reword
sentences that read awkwardly. The client compression page now lists
Zstd alongside zlib and Brotli.

docs-src/pages/ja/cookbook/c13-max-timeout.md

@@ -20,7 +20,7 @@ auto res = cli.Get("/slow-endpoint");
 
 ## `std::chrono`で指定する
 
-こちらも`std::chrono`の期間を受け取るオーバーロードがあります。
+こちらにも、`std::chrono`の期間を受け取るオーバーロードがあります。
 
 ```cpp
 using namespace std::chrono_literals;