docs(installation): Notice that ext-curl is required

julienloizelet · julienloizelet · commit 73ef2d38612e · 2023-04-21T17:52:50.000+09:00
diff --git a/docs/INSTALLATION_GUIDE.md b/docs/INSTALLATION_GUIDE.md
@@ -18,8 +18,7 @@
 ## Requirements
 
 - PHP >= 7.2.5
-- required PHP extensions: `ext-json`, `ext-gd`
-- suggested PHP extension: `ext-curl` 
+- required PHP extensions: `ext-curl`, `ext-gd`, `ext-json`
 
 ## Installation
 
