Revert "Test élagage du composer.json"

This reverts commit 03382f25.

composer.json

 {
     "name": "unicaen/zfc-user",
+    "description": "A generic user registration and authentication module for ZF2. Supports Laminas\\Db and Doctrine2.",
+    "type": "library",
     "require": {
         "php": "^5.5|^7.0",
         "laminas/laminas-authentication": "^2.5",
@@ -28,6 +30,9 @@
         "squizlabs/php_codesniffer": "1.4.*",
         "laminas/laminas-captcha": "^2.6"
     },
+    "suggest": {
+        "laminas/laminas-captcha": "Laminas\\Captcha if you want to use the captcha component"
+    },
     "autoload": {
         "psr-0": {
             "ZfcUser": "src/"